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Super Cruise active on the Maine Turnpike — the green LED bar on the steering wheel signals the driver can travel hands-free on this stretch of I-95. INTRO Super Cruise is GMC's hands-free highway driving technology — and it's one of the most genuinely impressive features available on any vehicle today. On the 2026 Sierra 1500, Super Cruise is standard on the Denali Ultimate (with a 3-year OnStar plan included) and available as an option on the Denali. It works on roughly 750,000 miles of compatible roads across the U.S. and Canada, including the entire Maine Turnpike (I-95) corridor that runs right past our Arundel showroom. This guide walks through how Super Cruise actually works, where you can use it in Maine, how it compares to other hands-free systems on the market, what the subscription situation looks like, and what to expect the first time you take your hands off the wheel at 70 mph on I-95. Shopping for a GMC with Super Cruise? See every Super Cruise-equipped GMC at Weirs GMC → QUICK ANSWER Quick Answer: What You Need to Know What it is: Hands-free highway driving — the truck steers, brakes, and accelerates while you remain attentive but don't have to hold the wheel. Which trims: Standard on 2026 Sierra 1500 Denali Ultimate. Available option on Denali. Not offered on Pro, SLE, Elevation, SLT, AT4, or AT4X. Where it works: About 750,000 miles of compatible roads across the U.S. and Canada, including the entire Maine Turnpike (I-95) and most major interstates in the Northeast. What it requires: An active OnStar subscription (3-year plan included with Denali Ultimate). Compatible road. Lane markings visible. Driver attention. What it costs after the included plan: GM lists OnStar plans that include Super Cruise starting at $39.99/month, with discounts for yearly billing (subject to change — confirm current pricing with our team). Towing: Yes — Sierra 1500 supports hands-free trailering with Super Cruise. Automatic and turn-signal lane changes are turned off while towing. HOW IT WORKS How Super Cruise Actually Works Super Cruise isn't just adaptive cruise control with lane-keeping bolted on. It's a fundamentally different system that combines four technologies most other hands-free systems don't bring together: 1. LiDAR-Based High-Definition Mapping GM uses LiDAR-equipped vehicles to drive every compatible mile of highway and capture detailed 3D maps — lane geometry, road curvature, off-ramps, on-ramps, signage, even subtle elevation changes. Those maps are stored in the vehicle and updated periodically over the air. This is why Super Cruise only works on pre-mapped roads — the system needs the map to function. Other hands-free systems rely entirely on real-time camera and radar data. Super Cruise combines real-time sensors with the LiDAR map, which is why it tends to feel more confident and predictable on long highway stretches. 2. Precision GPS Positioning Standard GPS is accurate to about 5 meters — fine for navigation, not enough for hands-free driving. Super Cruise uses high-precision GPS that locates the vehicle within a much smaller margin, allowing the system to know precisely where the truck is in its lane on the pre-mapped road. 3. Multi-Camera and Radar Array Forward-facing cameras read lane markings, traffic, and road conditions in real time. Radar tracks vehicles ahead and to the sides. The system blends real-time sensor data with the LiDAR map and GPS position to make moment-to-moment driving decisions. 4. Infrared Driver Attention Monitor This is what makes Super Cruise work as a true hands-free system. A small infrared camera on the steering column tracks your eyes and head position. As long as you're looking at the road, the system stays engaged. Look down at your phone for too long and you'll get an escalating sequence of alerts — visual, then audible, then a seat vibration. Don't respond and the system safely brings the truck to a stop and contacts OnStar for assistance. The driver attention monitor is what differentiates Super Cruise from systems that simply detect "hands on the wheel" — a metric you can game with a weighted clip. Super Cruise actually verifies you're paying attention. THE STEERING WHEEL LED The Green LED Bar: How to Know Super Cruise Is Active When Super Cruise is engaged and operating hands-free, a horizontal green LED bar illuminates across the top of the steering wheel rim. It's distinct, unmissable, and serves as your constant confirmation that the system is in control. Other states: Green: Super Cruise is engaged. Hands can be off the wheel. Green flashing: Super Cruise is requesting attention. Look back at the road. Red flashing with audible alert: Super Cruise is about to disengage. Take the wheel immediately. Blue: Lane Change on Demand is active (the system is changing lanes for you). Off / no light: Super Cruise is not engaged. The first time you use Super Cruise, the LED bar takes about thirty seconds to fully trust. After a few miles of green-light driving on I-95, you'll wonder why every car doesn't have this. MID-POST IMAGE Super Cruise integrates with the Sierra 1500's 12.3-inch digital instrument cluster, which displays lane lines, vehicle position, and the hands-free icon when active. WHERE SUPER CRUISE WORKS IN MAINE Where Super Cruise Works in Maine Super Cruise is geo-locked to roads GM has pre-mapped as compatible — mostly divided highways, plus a growing list of minor highways GM added when it expanded the network to about 750,000 miles. In Maine, that includes the major interstate routes most southern Maine drivers actually use: Maine Turnpike (I-95) — Fully Compatible The entire Maine Turnpike is Super Cruise compatible — from the New Hampshire border at Kittery all the way north through Portland, Augusta, Bangor, and on to the New Brunswick border. This is the road most southern Maine drivers spend the most highway time on, and the road that makes Super Cruise most valuable. I-295 — Compatible The interstate spur from I-95 in Portland up through Brunswick, Bath, Augusta, and back to I-95 — all compatible. Useful for commuters and travelers heading to mid-coast Maine. I-195 — Compatible The short spur from I-95 to downtown Saco. Brief but compatible. Beyond Maine If you drive south for business or recreation, Super Cruise covers I-95 throughout New Hampshire, Massachusetts, Connecticut, New York, and down the East Coast. It also works on most major interstates across the country — useful for cross-country trips or vacations to the Carolinas. What's NOT Compatible (Yet) Route 1 (US-1): Don't count on it. GM has expanded Super Cruise beyond interstates to some minor highways, but busy stretches of Route 1 with frequent intersections and driveways are generally not supported. Check the live Super Cruise map in your myGMC app before a trip. Most Maine state routes: Coverage is limited and changing as GM adds roads — the myGMC app map is the source of truth. Local roads in Arundel, Biddeford, Saco, Kennebunkport, etc.: Not compatible. Super Cruise is a highway-only system. The pre-mapped network expands over time. GM continues adding mileage to the compatible list, with maps updated to vehicles over the air. HOW TO USE SUPER CRUISE How to Use Super Cruise: Step by Step Get on a compatible road. The instrument cluster will show a steering wheel icon on the right side of the speedometer when you're on a Super Cruise road and conditions are met. Set your cruise control speed. Use the Adaptive Cruise Control buttons on the steering wheel as you would normally. Press the Super Cruise button. Located on the left steering wheel spoke. The green LED bar will illuminate, confirming Super Cruise is engaged. Take your hands off the wheel. The truck will maintain lane position, follow speed and distance, and handle gentle curves automatically. Stay attentive. Look at the road. The driver attention monitor is watching your eyes and head position. Lane Change on Demand: Tap the turn signal and the truck will automatically change lanes when safe (assuming the system has confirmed clear conditions). To disengage: Tap the Super Cruise button again, brake, take over steering manually, or follow the system's prompts when it asks you to. SUPER CRUISE VS COMPETITORS How Super Cruise Compares to Other Hands-Free Systems Several manufacturers now offer hands-free or partial-hands-free highway systems. Here's how Super Cruise differs from the most common alternatives: vs. Ford BlueCruise Both are true hands-free systems with driver attention monitors and pre-mapped road requirements. Coverage maps are similar (both blanket I-95 in Maine). Super Cruise has been on the market longer and has more refined behavior in edge cases. BlueCruise is generally available on a wider range of Ford and Lincoln vehicles. For Sierra 1500 buyers comparing against an F-150, the systems are roughly comparable in capability. vs. Tesla Autopilot / Full Self-Driving Tesla's systems require hands on the wheel (FSD) or are technically hands-free under specific conditions. Tesla works on more types of roads but with less validation per route. Super Cruise is more conservative — only enabled on roads where it's been pre-mapped and verified — which makes it more predictable but less universal. vs. Toyota / Lexus Teammate Toyota's hands-free system is limited to specific Lexus models and a more constrained map area. Super Cruise has substantially wider coverage in Maine and the Northeast. vs. Standard Adaptive Cruise + Lane Keep Assist Most modern vehicles, including lower Sierra trims, offer adaptive cruise and lane-keeping. These are not hands-free systems — they require your hands on the wheel and provide assistance, not autonomy. Super Cruise is meaningfully different. The driver attention monitor + LiDAR map combination is what enables true hands-free operation. SUBSCRIPTION MODEL The OnStar Subscription Model Super Cruise requires an active OnStar subscription that includes the Super Cruise feature. Here's how the math works on a 2026 Sierra 1500 Denali Ultimate: Included with new vehicle: 3-year OnStar Connected Services Premium plan, which includes Super Cruise. After the 3-year plan expires: You'll need an OnStar plan that includes Super Cruise to keep using the feature. GM lists these plans starting at $39.99/month, with discounts for yearly billing — pricing can change, so confirm current rates with our team. If you don't renew: Super Cruise stops working. The Sierra 1500's other safety and driver-assistance features (Adaptive Cruise, Lane Keep Assist, etc.) continue to work normally. For owners who use Super Cruise regularly, the subscription cost is comparable to a few tanks of gas per year — typically reasonable in context. For owners who rarely drive long highway trips, it's worth thinking about whether you'll continue using the feature when the included plan expires. On the Standard Denali If you order Super Cruise as an option on the Denali (rather than getting it standard on the Denali Ultimate), the included subscription period and cost vary by configuration. Verify the specifics on any specific Denali build with our team. REAL-WORLD MAINE EXPERIENCE What Super Cruise Actually Feels Like on Maine Highways Reading specs only goes so far. Here's what owners tell us about the real-world experience: The First-Time Experience Most drivers' first reaction is mild disbelief. Taking your hands off the wheel at 70 mph on I-95 feels wrong for the first few seconds — but the truck holds the lane perfectly and follows traffic naturally. Within 5-10 minutes you trust it. Within 50 miles you're using it as your default. The Long-Drive Difference This is where Super Cruise earns its keep. A drive from Arundel to Boston on I-95 with Super Cruise active is meaningfully less fatiguing than the same drive without it. Constant micro-corrections of steering input — the small fatiguing inputs you don't consciously notice — are handled by the truck. You arrive at your destination more alert and less worn out. Construction Zones and Lane Disruptions Super Cruise typically requests you take over in construction zones with degraded lane markings or temporary lane shifts. The system is honest about its limitations — it asks for your hands when conditions exceed what it can handle confidently. Traffic Jams Super Cruise handles stop-and-go traffic in compatible zones. The truck will slow, stop, and resume automatically as traffic flow changes. Particularly useful on summer Friday afternoons heading north on I-95 toward Portland. Winter Weather Super Cruise can become unavailable when cameras can't read lane markings (heavy snow, ice covering lines, road salt buildup). The system disengages cleanly with proper warning. Don't rely on Super Cruise in genuine winter storm conditions — but on clear winter days with plowed roads and visible markings, it works as intended. LIMITATIONS The 2026 GMC Sierra 1500 Denali — Super Cruise equipped and ready for Maine's highways. See it at Weirs GMC in Arundel. What Super Cruise Doesn't Do Super Cruise is a highway driving aid, not full self-driving. Be clear about its boundaries: It doesn't navigate to a destination. You're still driving — Super Cruise just handles the in-lane part on pre-mapped highways. It doesn't handle exits automatically. You'll resume manual control to exit the highway. It doesn't work on local roads. Highway-only system, period. It doesn't replace driver attention. You must remain attentive — the system is not autonomous. It doesn't work in poor visibility. Heavy rain, snow, fog, or anything obscuring the lane markings can disable the system. It doesn't change lanes for you while towing. Hands-free trailering works on the Sierra 1500, but Automatic Lane Change and Turn Signal Activated Lane Change are turned off with a trailer hooked up. AEO Q&A Which GMC Vehicles Have Super Cruise? Super Cruise isn't limited to the Sierra 1500. Here's where it shows up across the 2026 GMC lineup. Availability depends on trim and packages, so confirm the specific vehicle before you buy. 2026 GMC Model Super Cruise Sierra 1500 Standard on Denali Ultimate (3-year OnStar plan included); available on Denali Sierra EV Standard on AT4 and Denali; available on Elevation HUMMER EV Pickup & SUV Available Sierra HD and Yukon Available on select upper trims — ask us about a specific truck Availability is subject to change by model year and configuration. Contact us to confirm Super Cruise on a specific vehicle. Want to see what's on our lot? Shop every Super Cruise-equipped GMC at Weirs GMC → Frequently Asked Questions What is GMC Super Cruise? GMC Super Cruise is a hands-free highway driving technology developed by General Motors. It uses LiDAR-based high-definition mapping, precision GPS, multi-camera and radar sensors, and an infrared driver attention monitor to allow the driver to travel hands-free on about 750,000 miles of compatible roads across the U.S. and Canada. Which 2026 Sierra 1500 trims have Super Cruise? Super Cruise is standard equipment on the 2026 GMC Sierra 1500 Denali Ultimate (with a 3-year OnStar Connected Services Premium plan included). It is available as an option on the standard Denali. It is not offered on the Pro, SLE, Elevation, SLT, AT4, or AT4X trims. Does Super Cruise work in Maine? Yes. Super Cruise works on the entire Maine Turnpike (I-95) corridor, I-295 from Portland to Augusta, and I-195. It also covers most major interstates throughout New Hampshire, Massachusetts, Connecticut, and the rest of the Northeast. Coverage on Route 1, state routes, and local roads is limited — check the Super Cruise map in the myGMC app for specific stretches. How much does Super Cruise cost after the included plan expires? The 2026 Sierra 1500 Denali Ultimate includes a 3-year OnStar plan that includes Super Cruise. After that plan expires, you'll need an active OnStar plan that includes Super Cruise to keep using the feature. GM lists these plans starting at $39.99/month, with discounts for yearly billing. Pricing can change, so confirm current rates with our team or with OnStar at renewal. Can I use Super Cruise while towing a boat or trailer? Yes. Hands-free trailering has been available on Super Cruise-equipped Sierra 1500 trucks since the 2022 model year, so you can tow a boat or camper hands-free on compatible roads like the Maine Turnpike. Automatic Lane Change and Turn Signal Activated Lane Change are turned off while trailering. The Sierra 1500's other towing features — Trailer Sway Control, the integrated trailer brake controller, and the ProGrade Trailering System cameras — stay active. Is Super Cruise safe? Super Cruise has strong safety credentials. The infrared driver attention monitor enforces driver engagement, and the system disengages safely when conditions exceed its capabilities — escalating from visual to audible to physical alerts before bringing the vehicle to a stop and contacting OnStar if a driver becomes unresponsive. Independent reviewers consistently rate Super Cruise among the most refined hands-free systems available. How is Super Cruise different from Adaptive Cruise Control? Adaptive Cruise Control maintains speed and following distance from the vehicle ahead — but you must still steer, with your hands on the wheel. Super Cruise adds automatic lane-keeping and the driver attention monitor, which together enable true hands-free operation on compatible roads. Adaptive Cruise is available on most Sierra 1500 trims; Super Cruise is only available on the Denali and standard on the Denali Ultimate. Can I add Super Cruise to a Sierra 1500 that didn't come with it? No. Super Cruise requires factory-installed hardware including specific cameras, sensors, the driver attention monitor, and onboard processing. It cannot be added aftermarket. To get Super Cruise, you need to order or buy a Sierra 1500 Denali (with the option) or Denali Ultimate (where it's standard). CONCLUSION / CTA Experience Super Cruise on the Maine Turnpike Reading about Super Cruise only takes you so far. The real test is taking your hands off the wheel for the first time at 70 mph on I-95 and feeling the truck handle the driving for you. We have Sierra 1500 Denali Ultimate inventory in our Arundel showroom, and we're happy to set up a test drive that includes a stretch of Super Cruise time on the Maine Turnpike. It's the fastest way to understand whether the technology is worth it for how you actually drive. Shop All Super Cruise-Equipped GMCs → View Available Denali Ultimate Inventory | Schedule a Super Cruise Test Drive RELATED CONTENT Related Sierra 1500 Resources GMC Sierra 1500 Hub Page — Browse the full lineup 2026 GMC Sierra 1500 — Complete Guide 2026 Sierra 1500 Technology Features — Broader tech overview Denali vs. Denali Ultimate Comparison 2026 Sierra 1500 Safety Features Guide 2026 Sierra 1500 Trim Comparison AUTHOR / E-E-A-T About Weirs GMC: Weirs Motor Sales has been a family-owned GMC dealership in Arundel, Maine for over 65 years, serving Biddeford, Saco, Kennebunk, Kennebunkport, and all of southern Maine. Our team drives Super Cruise-equipped Sierras on the Maine Turnpike regularly and can demonstrate the technology in person on a test drive. If you have Super Cruise questions this guide didn't answer, we're here to help. {"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What is GMC Super Cruise?","acceptedAnswer":{"@type":"Answer","text":"GMC Super Cruise is a hands-free highway driving technology developed by General Motors. It uses LiDAR-based high-definition mapping, precision GPS, multi-camera and radar sensors, and an infrared driver attention monitor to allow the driver to travel hands-free on about 750,000 miles of compatible roads across the U.S. and Canada."}},{"@type":"Question","name":"Which 2026 Sierra 1500 trims have Super Cruise?","acceptedAnswer":{"@type":"Answer","text":"Super Cruise is standard equipment on the 2026 GMC Sierra 1500 Denali Ultimate (with a 3-year OnStar Connected Services Premium plan included). It is available as an option on the standard Denali. It is not offered on the Pro, SLE, Elevation, SLT, AT4, or AT4X trims."}},{"@type":"Question","name":"Does Super Cruise work in Maine?","acceptedAnswer":{"@type":"Answer","text":"Yes. Super Cruise works on the entire Maine Turnpike (I-95) corridor, I-295 from Portland to Augusta, and I-195. It also covers most major interstates throughout New Hampshire, Massachusetts, Connecticut, and the rest of the Northeast. Coverage on Route 1, state routes, and local roads is limited — check the Super Cruise map in the myGMC app for specific stretches."}},{"@type":"Question","name":"How much does Super Cruise cost after the included plan expires?","acceptedAnswer":{"@type":"Answer","text":"The 2026 Sierra 1500 Denali Ultimate includes a 3-year OnStar plan that includes Super Cruise. After that plan expires, you'll need an active OnStar plan that includes Super Cruise to keep using the feature. GM lists these plans starting at $39.99/month, with discounts for yearly billing. Pricing can change, so confirm current rates with our team or with OnStar at renewal."}},{"@type":"Question","name":"Can I use Super Cruise while towing a boat or trailer?","acceptedAnswer":{"@type":"Answer","text":"Yes. Hands-free trailering has been available on Super Cruise-equipped Sierra 1500 trucks since the 2022 model year, so you can tow a boat or camper hands-free on compatible roads like the Maine Turnpike. Automatic Lane Change and Turn Signal Activated Lane Change are turned off while trailering. The Sierra 1500's other towing features — Trailer Sway Control, the integrated trailer brake controller, and the ProGrade Trailering System cameras — stay active."}},{"@type":"Question","name":"Is Super Cruise safe?","acceptedAnswer":{"@type":"Answer","text":"Super Cruise has strong safety credentials. The infrared driver attention monitor enforces driver engagement, and the system disengages safely when conditions exceed its capabilities — escalating from visual to audible to physical alerts before bringing the vehicle to a stop and contacting OnStar if a driver becomes unresponsive. Independent reviewers consistently rate Super Cruise among the most refined hands-free systems available."}},{"@type":"Question","name":"How is Super Cruise different from Adaptive Cruise Control?","acceptedAnswer":{"@type":"Answer","text":"Adaptive Cruise Control maintains speed and following distance from the vehicle ahead — but you must still steer, with your hands on the wheel. Super Cruise adds automatic lane-keeping and the driver attention monitor, which together enable true hands-free operation on compatible roads. Adaptive Cruise is available on most Sierra 1500 trims; Super Cruise is only available on the Denali and standard on the Denali Ultimate."}},{"@type":"Question","name":"Can I add Super Cruise to a Sierra 1500 that didn't come with it?","acceptedAnswer":{"@type":"Answer","text":"No. Super Cruise requires factory-installed hardware including specific cameras, sensors, the driver attention monitor, and onboard processing. It cannot be added aftermarket. To get Super Cruise, you need to order or buy a Sierra 1500 Denali (with the option) or Denali Ultimate (where it's standard)."}}]}

══════════════════════════════════ PARALLAX HERO ══════════════════════════════════ Weirs Buick GMC · GM Certified Service · Biddeford, Maine Michelin vs. Goodyear vs. Bridgestone: Which Tire Handles Maine Roads Best? Weirs Service Team Southern Maine Fresh Start Tire Event 2026 ══════════════════════════════════ INTRO — WHITE ══════════════════════════════════ If you've been scrolling through tire options trying to figure out the difference between Michelin, Goodyear, and Bridgestone, you're not alone. They're all excellent brands — but they're not all the same. For drivers in Southern Maine, the differences actually matter. Maine roads demand a lot: wet spring pavement on Route 1, frost heaves after every hard winter, October black ice, and long highway miles between Portland and Biddeford on I-95. Here's how these three brands stack up for real Maine driving conditions — and what to consider before you buy. 11 Brands in the Event $450 Max Savings on 4th Tire 65+ Years Serving Maine ══════════════════════════════════ WHAT MAINE ROADS REQUIRE — DARK ══════════════════════════════════ What Maine Roads Actually Require From a Tire Before comparing brands, it helps to understand what you're up against as a driver in Biddeford, Saco, Kennebunk, or Portland: Wet traction — Spring and fall bring extended wet road conditions. Hydroplaning risk is real on coastal Maine roads. Cold-weather flexibility — Below 45°F, standard all-season rubber begins to harden. Maine winters test this constantly from November through March. Road surface durability — Frost heaves, expansion joints, and pothole season are hard on sidewalls and tread blocks every spring. Highway stability — Drivers commuting between Portland and Biddeford or heading to Southern New Hampshire need predictable high-speed handling at highway speeds. ══════════════════════════════════ MICHELIN — WHITE ══════════════════════════════════ Michelin: The Long-Game Tire Michelin has built its reputation on longevity and wet-weather performance. The Michelin Defender series is consistently rated among the top all-season tires in North America — and for good reason. Michelin tires hold their tread life longer than most competitors, which matters in Maine where you're putting on real miles across variable conditions year-round. If you want a tire that will last 70,000–80,000 miles, perform confidently in the rain, and give you solid winter handling without going full snow tire, Michelin is the gold standard. The trade-off: they're typically the most expensive of the three brands. During our Fresh Start Tire Event, the Buy 3 Get 1 for $1 deal makes Michelin significantly more accessible than buying a full set at retail pricing. Best For Drivers who want maximum tread life, excellent wet traction, and are willing to invest in quality that pays off over time. Ideal for high-mileage commuters between Portland and Biddeford. ══════════════════════════════════ PARALLAX DIVIDER STRIP ══════════════════════════════════ "The right tire isn't about brand loyalty — it's about matching the tire to your roads." GM-Certified Advisors · Weirs Buick GMC · Biddeford, Maine ══════════════════════════════════ GOODYEAR — LIGHT ══════════════════════════════════ Goodyear: The All-Conditions Workhorse Goodyear's Assurance and Eagle lineups are among the most popular all-season tires sold in New England. Goodyear invests heavily in wet and winter-weather technology — the WeatherReady designation is specifically designed for drivers who want dependable all-season performance without switching to dedicated snow tires. For drivers in Southern Maine who commute regularly, run a lot of highway miles, or want reliable performance across all four seasons without a seasonal swap, Goodyear WeatherReady tires are a strong choice. They tend to be priced between Michelin and budget brands — solid value for the performance level. Best For Year-round commuters and drivers who want strong wet and light snow performance without switching to dedicated winter tires. Great middle-ground option for most Maine vehicles. ══════════════════════════════════ BRIDGESTONE — WHITE ══════════════════════════════════ Bridgestone: The Performance-Oriented Pick Bridgestone's Turanza and Ecopia lines are popular with drivers who care about handling responsiveness — particularly on dry pavement and at higher speeds. Bridgestone tires tend to offer slightly better steering response and road feedback, which matters if you value a connected driving feel on routes like Route 1 through Kennebunk or the Maine Turnpike. They're also well-regarded for fuel efficiency, particularly the Ecopia line, making them a smart choice for high-mileage drivers. Wet performance is solid, though in deep snow or extended icy conditions, some drivers find them slightly less forgiving than Michelin's or Goodyear's dedicated all-weather lines. Best For Drivers who prioritize handling responsiveness, fuel efficiency, and dry-weather performance — with solid all-season capability for Maine's shoulder seasons. ══════════════════════════════════ COMPARISON TABLE — NAVY ══════════════════════════════════ Quick Comparison at a Glance Brand Tread Life Wet Traction Winter Handling Price Range Michelin ★★★★★ ★★★★★ ★★★★☆ Premium Goodyear ★★★★☆ ★★★★★ ★★★★★ Mid–Premium Bridgestone ★★★★☆ ★★★★☆ ★★★☆☆ Mid–Premium Ratings reflect general all-season performance. Specific tire models within each brand vary — ask our GM-certified advisors for model-specific recommendations for your vehicle. ══════════════════════════════════ WHICH IS RIGHT — WHITE ══════════════════════════════════ So Which Brand Is Right for You? The honest answer is that it depends more on your vehicle, your driving patterns, and your budget than on brand loyalty. A Michelin tire in the wrong size or load rating for your GMC Terrain isn't better than a properly fitted Goodyear. That's why the most important step is talking to a GM-certified tire advisor before you buy — not just browsing specs online. At Weirs, we ask the right questions: How many miles do you drive per year? Do you swap to snow tires in winter? What kind of roads do you spend the most time on? Then we match you to the right tire from whatever brand fits your situation best. The good news: all three brands — Michelin, Goodyear, and Bridgestone — are included in our current Fresh Start Tire Event. Fresh Start Tire Event — Running Now at Weirs Buick GMC Buy 3 Tires, Get the 4th for $1 on Michelin, Goodyear, Bridgestone & 8 other top brands Stack rebates on brakes, shocks & TPMS — save up to $240 more at the same visit Offer ends May 31, 2026. Max tire value $450 per tire. Limit one offer per VIN. No other tire offers apply. Rebate issued as Visa® Gift Card; must be submitted by 6/30/2026 at mycertifiedservicerebates.com. See dealer for complete details. ══════════════════════════════════ WHY WEIRS — DARK ══════════════════════════════════ Why Get Your Tires at Weirs Buick GMC in Biddeford? There's no shortage of places to buy tires in Southern Maine. Here's why drivers from Saco, Kennebunk, Portland, and Southern New Hampshire keep choosing Weirs: GM-Certified Technicians Every tire installation is performed by factory-trained technicians — not hourly temps. We do it right the first time. UVEYE Full-Vehicle Scan A full undercarriage and wheel-end inspection comes standard with every service visit. Nothing goes undetected. 65+ Years in Business We've been serving Southern Maine since the 1950s. Our reputation is built on repeat customers, not one-time transactions. Same-Day Installation Most tire installs are completed same-day. We respect your time and keep things moving. National Event, Local Pricing The Fresh Start Tire Event is backed by GM nationally — real manufacturer support behind every deal. Full Wheel-End in One Visit Tires, brakes, shocks, TPMS — stack your rebates and take care of everything in a single appointment. ══════════════════════════════════ CTA — RED ══════════════════════════════════ Not Sure Which Tire Is Right for Your Vehicle? Our GM-certified advisors will match you to the right brand and size for your specific driving needs — and help you maximize your Fresh Start savings before May 31. Shop Tires Now Schedule Service Call Us Today ══════════════════════════════════ FOOTER NOTE ══════════════════════════════════ Weirs Buick GMC is located in Biddeford, Maine, serving drivers from Saco, Kennebunk, Old Orchard Beach, Scarborough, Portland, and Southern New Hampshire. GM Certified Service for over 65 years. Fresh Start Tire Event offer ends May 31, 2026. See dealer for complete details. ©2026 General Motors. All Rights Reserved. Looking to put a set of these on your vehicle? At Weirs GMC we install all three brands and back every set with our tire price match guarantee in Southern Maine.

GMC Sierra 1500 · Buying Guide Is July the Best Time to Buy a GMC Sierra in Southern Maine? This July, yes — and it's not close. GM's Employee Pricing event plus stackable rebates make right now one of the strongest windows of the year to buy a Sierra 1500. See This Month's Sierra Offers Why Now The Short Answer Why July Is a Strong Time to Buy Timing a truck purchase usually comes down to two things: the incentives on the hood and the selection on the lot. Right now, both line up. Through early August, GM is running Employee Pricing on every Sierra 1500 — and at Weirs GMC in Arundel, you can stack that with 0% APR or trade it for thousands in rebates. That combination doesn't show up every month. Summer is also when Southern Maine buyers actually put a truck to work — hauling to camp, towing the boat to the ramp, gravel runs on the back roads around Biddeford and Kennebunk. Buying now means you own it for the whole season, not after it ends. See exactly what's available on our Sierra Below Employee Pricing page, or start broad at Find My GMC Truck. The Case for Now What Makes This Window Different Factor Why It Matters in July 2026 Employee Pricing Preferred, below-MSRP price on every Sierra 1500 — limited-time 0% APR Available for 36 months and stacks with Employee Pricing (A+/A1)* Rebates Up to $7,250 combined if you take cash instead of the rate Selection 25MY and 26MY both in stock — widest trim choice before fall Use it now Own it for boating, camp, and hauling season, not after *Well-qualified A+/A1 credit-tier buyers financing through GM Financial; program July 1 – August 3, 2026; subject to change. Contact us for current numbers. Our Quick Take Should You Buy Now or Wait? Want the biggest discount →  Buy now — Employee Pricing plus rebates rarely stack this well later in the year. Need it for summer towing/hauling →  Buy now — waiting means missing the season you'd use it most. Chasing a specific trim or color →  Buy now — selection is widest before fall model-year churn. Not in a hurry at all →  At least lock your number now; incentives change month to month and may not be this strong. See This Month's Sierra Deal FAQ Best Time to Buy Questions Is July really a good time to buy a Sierra? This July, yes. GM's Employee Pricing event runs July 1 through August 3, 2026, and at Weirs GMC you can stack it with 0% APR or take up to $7,250 in rebates instead. That combination of a below-MSRP price plus strong financing or cash is one of the best windows of the year. See the current offers. Will the deals get better if I wait until fall? There's no guarantee. Incentives change every month, and Employee Pricing is a limited-time event. Fall can bring model-year clearance on leftover units, but selection shrinks and the specific Employee Pricing + rebate stack available now may not return. If you want a particular trim, now is the safer bet. Is it better to buy at the end of the month? End of month can help because sales targets are in play, but the bigger lever right now is the manufacturer program itself — Employee Pricing and the rebate stack apply all month. We'll always work to sharpen your number regardless of the calendar date. Should I buy now or order a truck? If a truck on our lot fits, buying now captures this month's incentives immediately. Ordering can make sense for a very specific build, but incentives apply at delivery and may differ by then. We can walk you through both at our Arundel showroom. Does buying in summer help with my trade? Trucks and SUVs tend to hold strong demand year-round in Maine, and this month's Trade Assist adds dealer cash on top of your trade's value on the rebate path. Bring your trade in and we'll appraise it while you look. How long does the current program last? The Employee Pricing program runs July 1 through August 3, 2026, and is subject to change. Inventory moves fast during these events, so the earlier you come in, the better your selection. Visit Weirs GMC Buy Your Sierra This Summer in Arundel Employee Pricing, 0% APR, or up to $7,250 off — while selection is widest. Minutes from Biddeford, Kennebunk, and Portland. Shop Sierra 1500 Inventory Schedule a Test Drive This Month's Sierra Offers Sierra Engine Guide Value Your Trade-In Call 207-600-1088

GMC Sierra 1500 · Finance vs. Cash 0% APR or Up to $7,250 in Rebates: Which Saves You More on a Sierra? Short version: if you have a trade, the rebates usually win. If you want the lowest rate and payment, take the 0%. You can't have both — here's how to choose. See This Month's Sierra Offers Run the Numbers The Short Answer You Pick One: Lowest Rate or Most Cash Off On a new Sierra 1500 this month, GM's cash rebates and the subvented 0% APR don't stack — you choose one. At Weirs GMC in Arundel, the rule of thumb we give Biddeford and Portland buyers is simple: if you're trading in a vehicle and want the biggest total discount, the rebate path usually comes out ahead. If you're focused on the smallest monthly payment and the cheapest money, the 0% path wins. Both routes still beat sticker, and both are laid out side by side on our Sierra Below Employee Pricing page. Not sure which Sierra fits your driveway or your tow rating? Start at Find My GMC Truck. At a Glance 0% APR vs. Taking the Rebates Feature 0% APR Path Rebate Path Headline offer 0% APR for 36 months* Up to $7,250 combined cash Best for Lowest rate & monthly payment Most money off the price Trade-in Not required Required for Trade Assist Financing needed Yes — through GM Financial Promo rate (2.9%/72 or 1.9%/60) for Customer Cash Pairs with Employee Pricing Yes No Paying cash / outside lender? Not the fit Take the rebates you qualify for *Well-qualified A+/A1 credit-tier buyers financing through GM Financial; program July 1 – August 3, 2026; subject to change. Contact us for current numbers. The Cash Side What "Up to $7,250" Is Made Of The rebate total isn't one number — it's Bonus Cash and Trade Assist (which vary by engine) plus Customer Cash when you finance at the promo rate. Here's the framework so you can see where your engine lands: 2025/2026 Sierra 1500 Bonus Cash Trade Assist + Customer Cash 2.7L Turbo $1,750 $3,500 Up to $2,750 (25MY; 26MY up to $1,750) 5.3L V8 $2,500 $3,000 6.2L V8 $1,500 $3,500 Duramax Diesel $500 $2,500 Trade Assist requires an eligible trade-in; Customer Cash requires promo-rate financing. Amounts vary and are subject to change. Full details on our Sierra offers page. Our Quick Take Which Should You Take? Trading in & want max savings →  Rebates — Trade Assist plus the cash usually beats the interest savings. Great credit, want the lowest payment →  0% APR for 36 months, stacked with Employee Pricing. Financing longer to lower the payment →  Rebate path with 2.9%/72 — keep the cash, stretch the term. Paying cash →  Rebates — 0% does nothing for you, so take the discount. Compare Both on Your Sierra FAQ 0% vs. Rebates Questions Why can't I get 0% APR and the rebates? The subvented 0% APR is money GM buys down on the financing, and the cash rebates are a separate incentive — GM makes you choose one, not both. Employee Pricing can ride along with the 0%, but the cash rebates stand on their own. See both paths. Does 0% APR really save less than the rebates? Often, yes — especially with a trade. The interest you save at 0% over 36 months may be less than several thousand dollars in combined Bonus Cash, Trade Assist, and Customer Cash. It depends on your amount financed and term, which is why we run both numbers for you. Can I take the rebates and still finance? Yes. Customer Cash actually requires financing at the promotional rate (2.9% up to 72 months or 1.9% up to 60 months). You keep the rebate cash and simply finance at that promo rate instead of 0%. What if I'm paying cash for the truck? Then the 0% APR does nothing for you — take the rebate path and pocket the discount. We'll confirm which rebates you qualify for on your specific Sierra 1500. Do I need a trade to get the big number? Trade Assist requires an eligible trade-in, and it's a big part of the "up to $7,250." Without a trade you can still stack Bonus Cash and Customer Cash, just not the Trade Assist portion. How do I know which is better for me? Bring the truck you want and your trade details to Weirs GMC in Arundel and we'll print both scenarios side by side — lowest rate vs. most cash off — so you keep whichever saves you more. Visit Weirs GMC We'll Run Both Numbers in Arundel Lowest rate or most cash off — you keep the better deal. Minutes from Biddeford, Kennebunk, and Portland. Shop Sierra 1500 Inventory Get Pre-Approved This Month's Sierra Offers Sierra Engine Guide Value Your Trade-In Call 207-600-1088

GMC Sierra 1500 · Employee Pricing GMC Employee Pricing Explained: How Much Can You Save on a Sierra 1500? Employee Pricing means you pay what a GM employee pays. On a new Sierra 1500 that's thousands off MSRP — and at Weirs, you can stack 0% APR on top or take even bigger rebates instead. See This Month's Sierra Offers How It Works The Short Answer What "Employee Pricing" Actually Means Employee Pricing is exactly what it sounds like: for a limited time, GM lets everyday buyers purchase a new Sierra 1500 at the same preferred price a GM employee would pay — a fixed discount off MSRP, no haggling required. At Weirs GMC in Arundel, we run the number for you and then show you how to go one step further. Here's the part most people miss. Employee Pricing is one path, but it isn't always the biggest discount. This month you can pair Employee Pricing with 0% APR financing, or you can skip Employee Pricing and take thousands in combined rebates instead — and for a lot of buyers with a trade, that rebate path lands the price even lower. We break both down on our Sierra Below Employee Pricing page, and if you're still deciding which GMC truck fits, start at Find My GMC Truck. Two Paths Employee Pricing + 0% vs. Taking the Rebates You can't combine both — the rebate cash doesn't stack with Employee Pricing or the 0% APR. So the real decision is lowest rate versus most cash off. Here's how they compare: Feature Path A: Employee Pricing + 0% Path B: Take the Rebates Best for Lowest rate & monthly payment Most total cash off Price Employee Price (fixed discount off MSRP) MSRP minus combined rebates Financing 0% APR for 36 months (A+/A1 tier)* 2.9% up to 72 mo. or 1.9% up to 60 mo.* Cash rebates Not available on this path Bonus Cash + Trade Assist + Customer Cash Trade-in Not required Required for Trade Assist portion *Offers for well-qualified A+/A1 credit-tier buyers financing through GM Financial; subject to change. Program period July 1 – August 3, 2026. Contact us for current numbers on your exact Sierra. The Rebate Math Where the "Below Employee Pricing" Savings Come From On Path B, the savings stack from three GM rebates — Bonus Cash and Trade Assist (which vary by engine) plus Customer Cash when you finance at the promo rate. Because those can total more than the Employee-Pricing discount alone, your out-the-door price can genuinely land under the Employee Price. Here's the framework: 2025/2026 Sierra 1500 Bonus Cash Trade Assist + Customer Cash 2.7L Turbo $1,750 $3,500 Up to $2,750 (25MY; 26MY up to $1,750) 5.3L V8 $2,500 $3,000 6.2L V8 $1,500 $3,500 Duramax Diesel $500 $2,500 Trade Assist requires an eligible trade-in; Customer Cash requires promo-rate financing. Amounts vary by engine and model year and are subject to change. See the full breakdown on our Sierra Below Employee Pricing page. Our Quick Take Which Path Is Right for You? You have a trade & want max savings →  Path B usually wins — the rebates plus Trade Assist beat the Employee Price. You want the lowest possible rate →  Path A — Employee Pricing with 0% APR for 36 months. You're paying cash or bringing your own financing →  Path B — take the cash rebates you qualify for. Not sure? →  We'll run both numbers side by side on your exact truck, no pressure. See Both Deals on Your Sierra FAQ Employee Pricing Questions Can I get Employee Pricing and the rebates together? No. Employee Pricing stacks with the 0% APR financing, but it does not combine with the cash rebates. You pick one path: lowest rate (Employee Price + 0%) or most cash off (rebates). We'll calculate both for you before you decide. See this month's Sierra offers. How much can I actually save on a Sierra 1500? It depends on the engine, model year, and whether you have a trade. The rebate path stacks Bonus Cash, Trade Assist, and Customer Cash — several thousand dollars in combined offers on select configurations with an eligible trade and qualifying credit. Contact us for the exact figure on the truck you want. Which years qualify for Employee Pricing? Both 2025 and 2026 model-year GMC Sierra 1500 light-duty trucks in stock. Customer Cash amounts differ slightly between the two model years. Do I have to finance through GM Financial? To get the 0% APR or the promotional-rate Customer Cash, yes — those are GM Financial offers for A+/A1 credit tiers. We can get you pre-qualified in minutes at our Arundel showroom or online. Is Employee Pricing really below invoice? Employee Pricing is a preferred, below-MSRP price. On the rebate path, the combined incentives can push your final price even lower than the Employee Price itself — that's the "below Employee Pricing" idea. We'll show you the math in writing. When does the Employee Pricing event end? The current program runs July 1 through August 3, 2026. Inventory and eligible trims move quickly during Employee Pricing, so the sooner you come in, the better your selection. Visit Weirs GMC Get Your Rears to Weirs in Arundel Employee Pricing on every Sierra 1500 — and we'll beat it with rebates when the math works. Minutes from Biddeford, Kennebunk, and Portland. Shop Sierra 1500 Inventory Schedule a Test Drive This Month's Sierra Offers Sierra Engine Guide Get Pre-Approved Financing Call 207-600-1088

Weirs GMC · Service How Long Do Car Batteries Last in Maine Winters? Most car batteries last about three to five years — but Maine cold can cut that short. Here's how winter shortens battery life, the warning signs to watch, and why a free fall battery test is worth it. Schedule Service See the Details The Short Answer Three to Five Years — Less in the Cold A typical car battery lasts three to five years. In Maine, plan toward the shorter end: cold weather reduces a battery's cranking power, so a battery that felt fine in October can struggle on the first deep-freeze morning. If yours is three-plus years old, get it tested before winter — our battery service in Biddeford includes a free test, and replacement is same-day at our Express Shop. See everything we do on our GMC Service Center page. Warning Signs Signs Your Battery Is on the Way Out Sign What it points to Slow, lazy cranking The classic sign — especially on cold mornings. Dim headlights at idle Weak charge or an aging battery. Battery / charge warning light Have it tested right away. Clicking when you turn the key Often a battery that can't deliver the cranking amps. Swollen case or corrosion Heat and age — time to replace. It's 3+ years old Worth a free test heading into winter. Cold doesn't just strain the battery — thicker oil makes the engine harder to turn over, so a marginal battery shows its age fastest in winter. Before the First Freeze A Free Test Beats a Dead Start Test in the fall →  catch a weak battery before it strands you. Quality replacement →  ACDelco batteries built for cold cranking. Same-day →  install through our Express Shop, all makes. While you're here →  we'll check your charging system too. Free Battery Test FAQ Your Questions How long do car batteries last in Maine? Most last about three to five years, but Maine's cold tends to push that toward the shorter end because cold weather reduces cranking power. If yours is three or more years old, have it tested before winter. What are the signs of a dying battery? Slow or lazy cranking (especially when cold), dim headlights at idle, a battery warning light, a clicking sound when you turn the key, a swollen case or corrosion, and simply being three-plus years old. Why do batteries die in winter? Cold reduces the chemical reaction inside the battery, lowering the cranking power available, while cold, thicker oil makes the engine harder to turn over. A weak battery shows its age fastest in winter. Is the battery test really free? Yes. Bring it in and we'll test the battery and charging system and tell you whether it's strong, weakening, or due for replacement, with no obligation. Can you replace my battery the same day? Usually, yes - for any make. Battery service runs through our Express Shop, which schedules three appointments every 40 minutes. When should I replace my battery? If it's three to five years old, failing a load test, or showing the warning signs above, replace it - ideally before winter rather than after it leaves you stranded. Do you service batteries on non-GMC vehicles? Yes. Our Express Shop tests and replaces batteries on all makes and models. Weirs GMC Service Battery Service in Biddeford Free test, same-day replacement, all makes. Minutes from Saco, Kennebunk, and Portland. Schedule Service See Service Specials Battery Service GMC Service Center Schedule Online Call 207-849-8005

Weirs GMC · Service What Gets Checked in a Maine State Inspection? Maine still requires an annual safety inspection — one of the last states that does. Here's exactly what an inspector looks at, who needs an emissions test, and how to pass the first time. Schedule Service See the Details The Short Answer An Annual Safety Check of the Whole Vehicle A Maine inspection is a head-to-toe safety check — brakes, tires, steering, lights, glass, wipers, exhaust, and seatbelts — and when your vehicle passes you get a sticker for the lower-left corner of the windshield, good for one year. We handle Maine state inspections in Biddeford for all makes, and because we run a full service shop, anything we flag we can usually fix the same day. See everything we offer on our GMC Service Center page. The Checklist What an Inspector Actually Checks System What's looked at Brakes Pads, rotors, lines, and fluid — the most common reason vehicles fail. Tires & wheels Tread depth, damage, and condition. Suspension & steering Shocks, struts, and steering components. Lights & signals Headlights, brake lights, turn signals. Windshield & wipers Cracks and wiper condition. Exhaust system Leaks or damage. Seatbelts & airbags Must be present and functional. Vehicles registered in Cumberland County (the Portland area) also need an emissions test. Pass the First Time Before You Come In, Check These Lights →  walk around and confirm every bulb works. Wipers & washer →  replace streaky blades before winter anyway. Tires →  low tread or damage is an easy fail. That squeal →  brakes are the #1 inspection failure — get them checked. Book My Inspection FAQ Your Questions Does Maine still require annual inspections? Yes. Maine requires a safety inspection once a year and is one of the few states that still does. After passing, you get a sticker for the lower-left of the windshield that's valid for one year. What gets checked in a Maine state inspection? Brakes, tires and wheels, suspension and steering, all lights and signals, the windshield and wipers, the exhaust system, and seatbelts and airbags. Vehicles in Cumberland County also get an emissions test. What's the most common reason a car fails inspection? Brakes. Worn pads, scored rotors, or weak brake performance are the most common failures, which is why a quick brake check before inspection pays off. Do you do inspections on all makes? Yes. We inspect all makes and models, and because we're a full service shop, anything we flag we can usually repair the same day so you leave with a sticker. Do I need an emissions test? Only if your vehicle is registered in Cumberland County (the greater Portland area). Elsewhere in our area it's the safety inspection. How long does an inspection take? It's a quick visit. Scheduling ahead keeps your wait short, and if something needs attention we'll show you and quote it before any work. Can you fix what fails the same day? Usually, yes. Because the Express Shop handles tires, brakes, wipers, lights, and more, most common failures can be repaired the same visit. Weirs GMC Service Maine Inspections in Biddeford All makes, and we can fix what we find. Minutes from Saco, Kennebunk, and Portland. Schedule Service See Service Specials Maine State Inspection GMC Service Center Schedule Online Call 207-849-8005

Weirs GMC · Service Will Servicing My Car at a Dealer Void the Warranty? Short answer: no. Under the federal Magnuson-Moss Warranty Act, getting routine service done where you choose — even at a different brand's dealer — will not void your factory warranty, as long as the right parts and specs are used. Schedule Service See the Details The Short Answer No — And It's Federal Law This is the question we hear most from new customers who don't drive a GMC: "if I get my Toyota or Honda serviced at Weirs, will it void my warranty?" It won't. The Magnuson-Moss Warranty Act protects your right to have routine maintenance done wherever you like. A manufacturer can't deny your warranty just because someone other than your brand's dealer did the work. That's exactly why our Express Shop services all makes and models — and you can see everything we do on our GMC Service Center page. The Two Rules What Actually Protects Your Warranty Myth The reality "Only the brand's dealer can touch it." False — routine service anywhere is protected by federal law. "Any oil or parts are fine." Use the correct spec (e.g. dexos1, the right grade) and quality parts — that's the real requirement. "I don't need records." Keep records. We log every service so your history is documented. A manufacturer can only deny a claim if it proves a non-OE part or service actually caused the failure — a high bar. Why Drivers Switch to Weirs Dealer-Level Care, Any Make All makes welcome →  Toyota, Honda, Ford, Subaru, RAM, Jeep, and more. Factory-trained techs →  with access to service info for your make. The right oil & parts →  correct spec for your exact vehicle. Same-day, most days →  through our Express Shop, with a real inspection. Service for All Makes FAQ Your Questions Will servicing my car at Weirs void my factory warranty? No. Under the federal Magnuson-Moss Warranty Act, routine maintenance done outside your brand's dealer does not void your factory warranty, as long as the correct spec and quality parts are used. We use the right spec and log every service. Do you service non-GMC vehicles? Yes. Our Express Shop services all makes and models - oil, tires, brakes, batteries, and fluids - foreign and domestic. What does the dealership have to prove to deny a warranty claim? A manufacturer can only deny coverage if it demonstrates that a non-original part or the service actually caused the failure. They cannot deny a claim simply because someone other than the dealer did the work. Does using non-OEM oil void my warranty? No, as long as the oil meets your manufacturer's specification (for many GM vehicles that's dexos1). We use the correct spec for your vehicle. Should I keep my service records? Yes. Keeping records of routine maintenance is the best way to protect your warranty. We document every service in your vehicle's history. Is a dealer oil change more expensive than a chain? Not at Weirs. Our Express Shop pricing is competitive with quick-lube chains and local garages, and includes factory-trained techs, the correct parts, and a real inspection. Can I get same-day service on my non-GMC? Usually, yes - for any make. Our Express Shop runs three appointments every 40 minutes. Schedule online or call 207-849-8005. Weirs GMC Service All-Makes Service in Biddeford Won't void your warranty - and often same-day. Minutes from Saco, Kennebunk, and Portland. Schedule Service See Service Specials All-Makes Express Service GMC Service Center Schedule Online Call 207-849-8005

Weirs GMC · Service 5 Signs You Need New Brakes Before a Maine Winter Squealing, grinding, or a soft pedal? Those are your brakes asking for help — and you want them sorted before the first icy morning. Here are the five signs we tell Biddeford drivers to watch for. Schedule Service See the Details The Short Answer Don't Wait on the One System That Stops You Brakes almost always warn you before they fail. The trick is catching it at the squeal, not the grind — once the pad material is gone you're into the rotors, and a quick pad job becomes pads and rotors. If any of the signs below sound familiar, get a free brake inspection in Biddeford before winter. You can see all of our maintenance on our GMC Service Center page, and brakes run through our same-day Express Shop. What To Watch For The 5 Signs (Plus One) Sign What it usually means Squealing or chirping A built-in wear indicator sounds at about 2 mm of pad left — time for brakes. Grinding (metal-on-metal) Pads are gone; rotors are taking damage. Don't keep driving on it. Shimmy / pulsing pedal Often warped or worn rotors. Soft or low pedal Worn pads or a fluid/hydraulic issue. Longer stops or a dash light Get it checked now — especially before ice. Pulling to one side A sticking caliper or uneven wear. We recommend a quick brake check at least every 7,500 miles. Schedule one free. Why Maine Is Hard on Brakes Salt, Hills & Stop-and-Go Road salt →  corrodes rotors, hardware, and brake lines fast. Hilly back roads →  more braking, more heat, more wear. Towing & plowing →  extra load means shorter pad life. The fix →  ACDelco and GM Genuine pads & rotors, installed by GM-certified techs. Brake Service in Biddeford FAQ Your Questions How do I know if I need new brakes? The most common signs are a squealing or chirping noise (a wear indicator that sounds at about 2mm of pad left), grinding, a shimmy or pulsing pedal, a soft or low pedal, longer stops, or a brake warning light. If you notice any, get a free brake inspection. How long do GMC brake pads last? It varies a lot with how and where you drive. City stop-and-go, towing, plowing, and Maine road salt all shorten pad life, so there's no single number. We recommend a quick inspection at least every 7,500 miles to replace them at the right time. Is the brake inspection really free? Yes. Bring it in and we'll check your pads, rotors, and hardware and tell you straight whether you need brakes now or have miles left, with no obligation. Why should I do brakes before winter? Ice and snow demand every bit of stopping power. Worn brakes plus a slick road is exactly when you don't want longer stopping distances, so fall is the smart time to check them. What brake parts does Weirs use? GM Genuine Parts (original equipment) and ACDelco Gold or Silver, all designed, tested, and backed by GM for your vehicle. Can I get brakes done same-day? Often, yes. Brake work runs through our Express Shop, which schedules three appointments every 40 minutes. Booking ahead is best, especially if rotors are involved. Do you service brakes on non-GMC vehicles? Yes. Our Express Shop services brakes on all makes and models with quality parts and a real inspection. Weirs GMC Service Stop Safely This Winter in Biddeford Free brake inspection, GM-backed parts, often same-day. Minutes from Saco, Kennebunk, and Portland. Schedule Service See Service Specials Brake Service GMC Service Center Schedule Online Call 207-849-8005

Weirs GMC · Service How Often Should You Change Your GMC's Oil in Maine? Short answer: let your GMC's Oil Life System decide — not a sticker on the windshield. In Maine's cold, short-trip driving, that light tends to come on sooner than the old "every 3,000 miles" rule of thumb. Schedule My Oil Change See the Details The Short Answer Follow the Oil Life System, Not a Fixed Mileage Modern GMCs — your Sierra, Canyon, Acadia, Terrain, or Yukon — have a GM Oil Life System that monitors how you actually drive and tells you when the oil is due. At Weirs GMC, the honest answer we give Biddeford and Saco drivers is simple: change it when the system says so, and don't stretch past it. The catch is that Maine driving is hard on oil, so that interval comes up sooner here than it might somewhere warmer. When the light comes on, our Express Shop oil change in Biddeford makes staying on schedule quick — usually same-day. You can see all of our maintenance services on our GMC Service Center page. At a Glance Normal Driving vs. Maine "Severe Service" GM defines a list of "severe service" conditions that shorten your oil's life. Look at this list and you'll see why most Maine driving qualifies: What shortens oil life Typical "easy" driving A lot of Maine driving Short trips that don't fully warm the engine Occasional Daily (in-town errands) Cold-weather starts Mild Months of hard frost Towing or hauling (boats, trailers, sleds) Rare Common Stop-and-go / idling Light Route 1 & coastal traffic Result: oil-life interval Longer Comes up sooner Your exact interval depends on your engine and how you drive — the Oil Life System accounts for all of it. Schedule a visit and we'll check it for you. What's In It Why the Right Oil & Filter Matter Up Here When that light does come on, what goes back in matters as much as how often. Every oil service at our Biddeford Express Shop uses genuine ACDelco / GM dexos1™ Gen 3 full synthetic (or the exact grade your engine calls for, including diesel) and a real ACDelco filter — the oil and filter engineered for your GMC, which is exactly what keeps your powertrain warranty protected through a Maine winter. We also reset your Oil Life monitor and run a full multi-point and UVEYE inspection so you leave knowing the real condition of your tires, brakes, and fluids before the cold sets in. Our Quick Take So — How Often, Really? Daily in-town driver →  Watch the Oil Life System; it'll likely call for service a few times a year. Highway commuter →  You may go a bit longer, but never ignore the indicator. Tow, plow, or haul →  Expect it sooner — that's true severe service. Low-mileage / sits a lot →  Change at least once a year even if the light hasn't hit, so old oil isn't sitting all winter. Book My Oil Change FAQ Oil Change Questions How often should I change my GMC's oil in Maine? Follow your GMC's Oil Life System rather than a fixed mileage — it watches how you actually drive. Because Maine's cold starts, short trips, and towing count as "severe service," that indicator usually comes up sooner here. When it does, don't stretch past it; our Express Shop can usually get you in same-day. Is the old "every 3,000 miles" rule still right? Not for modern full-synthetic oil. Today's GMCs use the Oil Life System, which is more accurate than a blanket mileage number. Let the vehicle tell you, and you won't change too early or too late. What does the GM Oil Life System actually measure? It uses engine data — temperatures, RPM, trip length, load, and conditions — to estimate how much useful life your oil has left, then displays a percentage or an "Oil Life Low / Change Engine Oil Soon" message. What oil does Weirs use? Genuine ACDelco / GM dexos1™ Gen 3 full synthetic, or the exact grade and spec your engine requires (including diesel), plus an OEM ACDelco filter. Should I change the oil before winter even if the light isn't on? If your vehicle is low-mileage or sits a lot, yes — many Maine drivers do a fall oil change so fresh oil is in for the cold months rather than leaving old oil to sit all winter. Will a non-dealer oil change void my warranty? No, but using the correct dexos1 spec and keeping records is what protects it. Getting it done at Weirs with GM-certified techs and OEM oil and filter keeps everything documented in your vehicle's history. Can I get a same-day oil change? Usually, yes — our Express Shop runs three appointments every 40 minutes. Schedule online or call 207-849-8005. Weirs GMC Service On-Schedule Oil, Done in Biddeford Same-day at our Express Shop. Minutes from Saco, Kennebunk, and Portland. Schedule My Oil Change See Service Specials Oil Change Service GMC Service Center Find My Tires Call 207-849-8005

HERO 2027 GMC Sierra 1500 The Next-Generation 2027 GMC Sierra 1500: Everything That's New Two all-new Small Block V8s, a redesigned cabin with 60+ inches of screens, and the most off-road-capable AT4X ever. Here's the first look, straight from our team in Arundel. Shop Sierra 1500 Inventory See What's Changed ANSWER-FIRST INTRO The Short Answer What's New on the 2027 GMC Sierra 1500 at a Glance GMC just pulled the cover off the next-generation 2027 Sierra 1500, and it's a full redesign — not a refresh. The headline is power: two all-new sixth-generation Small Block V8s in 5.7L and 6.6L displacements, joining an enhanced TurboMax 2.7L turbo and the class-exclusive Duramax diesel, all paired to a 10-speed automatic. On top of the new engines, you get a completely redesigned interior with more than 60 inches of available digital displays, a bolder exterior, a flagship Denali Ultimate, and the most off-road-capable AT4X Sierra GMC has ever built. First trucks are expected to land at GMC dealers before the end of the 2026 calendar year. At Weirs GMC in Arundel, we'll be among the first stores in Southern Maine to see them — and if you want to understand how the new V8s stack up against today's lineup, our Sierra 1500 engine guide is the place to start. Below we break down the engines, the new tech, the Denali Ultimate, and the AT4X — and what each one means for how Mainers actually use these trucks. Not sure a Sierra 1500 is the right GMC truck for you? Start with Find My GMC Truck. COMPARISON TABLE At a Glance 2027 Sierra 1500 Powertrain Lineup GMC is keeping a powertrain for every job, but the heart of the lineup is brand new. Here's how the available 2027 engines line up. GMC has not yet released official horsepower, torque, or towing figures — those are coming closer to launch. Engine What It Is Best For 5.7L Small Block V8 All-new sixth-generation V8 Daily driving, towing and everyday capability with V8 muscle 6.6L Small Block V8 All-new — most powerful naturally aspirated V8 in its class Maximum gas V8 power; standard on Denali Ultimate 2.7L TurboMax Enhanced turbocharged four with best-in-class standard torque Efficiency-minded buyers who still tow and haul Duramax Turbo-Diesel Class-exclusive diesel Long-haul towing, high mileage, maximum efficiency under load Every available engine pairs with a 10-speed automatic. The new V8s bring updated combustion, cooling, and a new fuel injection system tuned to work everywhere from a Route 1 commute to a loaded boat ramp to a rock crawl. For a deeper look at how GMC's turbo-four and V8 options differ in real use, see our Sierra 1500 engine comparison. *Engine availability and specifications are based on GMC's reveal information and are subject to change. Official figures and pricing will be announced closer to launch — contact us for the latest. DESIGN + TECH Inside & Out A Bolder Exterior and a Completely Redesigned Cabin The 2027 Sierra 1500 gets a sharper, more vertical front end with evolved signature lighting, GMC signature WOM lights, available welcome and farewell animations, and available quad exhaust outlets. It reads more confident and more premium without losing the truck's working-tool credibility. Inside is where it really moves upmarket. Every trim gets a redesigned interior with new colorways and premium materials, including available real wood trim accents and an available panoramic sunroof. GMC is also claiming best-in-class standard crew cab front head and leg room — which matters a lot when you're three coffees into a drive from Arundel up to Portland or down to Boston. The available all-new MultiPro center console opens into an extended work surface, so the truck works as well as a rolling office as it does on a job site. Denali Ultimate The Flagship: Tech, Comfort & V8 Power The Denali Ultimate sits at the very top of the lineup, and it's loaded. It comes standard with the 6.6L V8 and more than 60 inches of combined digital displays — the most in its class. 16.3-inch infotainment screen (largest in class) with articulation and hidden storage 11.5-inch front passenger screen with articulating cover 12.2-inch Driver Information Center + 15-inch color Head-Up Display 8.5-inch Rear Camera Mirror for a clear view with the bed loaded 16-speaker Bose Premium audio with head-restraint speakers Standard 3-year Super Cruise hands-free driving — including while towing That Super Cruise detail is a big one for Maine drivers: hands-free assistance on 600,000+ miles of compatible roads, and it works while you're towing — ideal for the long I-95 pulls with a camper or a boat behind you. It's a capability no competitor in the class offers. AT4X FEATURE BAND Off-Road AT4X: The Most Capable Sierra AT4X Ever For the buyers who actually use camp roads, trailheads, and unplowed back acreage, the 2027 AT4X gets serious new hardware — not just badges. 35-inch Goodyear Wrangler Territory MT tires →  a Sierra first, built for traction and durability in rough conditions Multimatic Jounce Control Dampers →  composure over washboard, ruts, and high-speed impacts Front & rear e-locking differentials →  a class-exclusive combination for maximum traction 2-inch factory suspension lift →  exclusive hood and front fascia for a more purposeful stance Timber Mahogany interior + standard panoramic sunroof →  rugged but refined enough for the drive home Want even more? GMC will continue to offer the AEV Edition package on the 2027 Sierra 1500. The rest of the lineup — Pro, Elevation, AT4, and Denali — carries over too, each tuned for a different kind of buyer. Ask Us About AT4X Allocation WHO IT'S FOR Our Quick Take Which 2027 Sierra 1500 Fits Your Maine? Here's how we'll point Southern Maine buyers when the new trucks land: Daily driver + weekend towing →  new 5.7L V8 in Elevation or AT4 Maximum luxury & tech →  Denali Ultimate with the 6.6L V8 and Super Cruise Serious off-road / camp roads →  AT4X on 35s with e-lockers Long-haul towing & efficiency →  class-exclusive Duramax diesel Best value with real torque →  enhanced 2.7L TurboMax Once you've narrowed it down, our Sierra 1500 engine breakdown will help you choose the right powerplant, and Find My GMC Truck can help if you're still cross-shopping the Canyon or Sierra HD. FAQ FAQ 2027 GMC Sierra 1500 Questions When does the 2027 GMC Sierra 1500 come out? GMC expects the first 2027 Sierra 1500 models to arrive at dealerships before the end of the 2026 calendar year, with the full lineup rolling out around that launch. Weirs GMC in Arundel will be among the Southern Maine stores receiving early allocation — contact us to get on our notify list. What engines does the 2027 Sierra 1500 have? The lineup features two all-new sixth-generation Small Block V8s in 5.7L and 6.6L displacements, an enhanced 2.7L TurboMax turbocharged four with best-in-class standard torque, and the class-exclusive Duramax turbo-diesel. Every available engine pairs with a 10-speed automatic transmission. How are the new 5.7L and 6.6L V8s different from the old 5.3L and 6.2L? They're all-new sixth-generation Small Block engines with larger displacements and advances in combustion, cooling, control systems, and a new fuel injection system designed to improve refinement and performance across daily driving, towing, and off-road use. GMC has not yet released official horsepower and torque numbers — those will come closer to launch. Our Sierra 1500 engine guide explains how to think about the choices. Is the 2027 Sierra 1500 good for Maine winters? Yes. Sierra 1500 offers available 4WD across the lineup, and the AT4 and AT4X add off-road hardware built for snow, mud, and rough roads. The AT4X steps up to 35-inch tires, front and rear e-lockers, and a 2-inch lift — well suited to unplowed camp roads and back acreage in Southern Maine. What is the Denali Ultimate? It's the flagship trim. The 2027 Denali Ultimate comes standard with the 6.6L V8, more than 60 inches of combined digital displays (including a 16.3-inch infotainment screen and 15-inch head-up display), a 16-speaker Bose Premium audio system, and a standard three-year Super Cruise subscription with hands-free trailering capability. What's new with the 2027 Sierra 1500 AT4X? GMC calls it the most off-road-capable Sierra AT4X ever. New highlights include 35-inch Goodyear Wrangler Territory MT tires (a Sierra first), Multimatic Jounce Control Dampers, front and rear e-locking differentials, a 2-inch suspension lift, an exclusive Timber Mahogany interior, and a standard panoramic sunroof. The AEV Edition package remains available. How much will the 2027 GMC Sierra 1500 cost? GMC has not yet announced 2027 Sierra 1500 pricing. Figures will be released closer to the on-sale date. For current Sierra 1500 pricing and incentives, or to be notified when 2027 models arrive at Weirs GMC, reach out to our team in Arundel. Can I reserve a 2027 Sierra 1500 at Weirs GMC? We can add you to our priority notify list and walk you through allocation as it opens. Tell us the trim, engine, and configuration you want, and we'll keep you posted as 2027 Sierra 1500 trucks arrive in Southern Maine. Call us at 207-600-1088. CLOSE CTA Visit Weirs GMC Be First in Line for the 2027 Sierra 1500 in Arundel Minutes from Biddeford, Saco, Kennebunk, and Portland. We'll help you pick the right engine and trim — and tell you the moment they land. Shop Sierra 1500 Inventory Schedule a Test Drive Sierra 1500 Engine Guide Get Pre-Approved Financing Value Your Trade-In Call 207-600-1088

HERO 2026 GMC Canyon What Can a GMC Canyon Tow? Short answer: up to 7,700 lbs — enough for a boat, a pair of sleds, or a small camper. Here's what that looks like in real Maine terms, trim by trim. Shop Canyon Inventory Towing by Trim ANSWER-FIRST INTRO The Short Answer Up to 7,700 Pounds, Properly Equipped A 2026 GMC Canyon tows up to 7,700 lbs when it's properly equipped with the Trailering Package. Every Canyon — Elevation, AT4, AT4X, and Denali — runs the same 2.7L TurboMax turbo-four making 310 horsepower and a stout 430 lb-ft of torque, so there's real low-end grunt for pulling a load up a grade or off a boat ramp. At Weirs GMC in Arundel — minutes from Biddeford, Kennebunk, and Portland — the Canyon is the truck we point people to when they want to tow like a truck but live like a midsize. If you're cross-shopping the whole lineup, start with our 2026 GMC Canyon overview or the broader Find My GMC Truck guide. One catch worth knowing up front: the off-road AT4X trades some of that capacity for trail hardware, which we'll cover below. TOWING BY TRIM TABLE By Trim 2026 Canyon Towing & Payload Trim Max Towing* Payload** Drive Elevation up to 7,700 lbs up to ~1,640 lbs RWD; 4WD available AT4 up to 7,700 lbs ~1,400–1,500 lbs 4WD standard Denali up to 7,700 lbs ~1,400–1,500 lbs 4WD standard AT4X up to 6,000 lbs ~1,390 lbs 4WD standard AT4X AEV Edition up to 5,500 lbs ~1,390 lbs 4WD standard *Max towing requires the Trailering Package and proper equipment; ratings vary with configuration. **Payload ranges roughly 1,390–1,640 lbs by trim and config — contact us to confirm the numbers on a specific truck. All 2026 Canyons are Crew Cab. BAND Built to Haul the Maine Stuff REAL-WORLD In Real Terms What 7,700 Pounds Actually Pulls Numbers on a spec sheet don't mean much until you put a trailer behind them. Here's roughly where common Maine loads land, so you can see how much headroom the Canyon gives you: What you're towing Rough loaded weight Canyon (7,700 lb) A couple of snowmobiles on a tilt trailer ~2,000–3,000 lbs Easy Utility / landscape trailer with a mower & gear ~2,500–3,500 lbs Easy 16–20 ft fishing boat + trailer ~3,500–5,000 lbs Comfortable Pair of side-by-sides on an enclosed trailer ~5,000–6,500 lbs Within range Small travel trailer / teardrop camper ~3,000–6,000 lbs Within range Larger travel trailer 7,000+ lbs At the limit — check the numbers For most of what we see in Southern Maine — a boat to launch in Saco Bay, sleds headed north, a trailer of gear for the camp — the Canyon has capacity to spare. When you start eyeing a bigger travel trailer near 7,000 lbs, that's when we'd sit down and check payload and tongue weight against your exact setup, or talk about stepping up to a different Canyon configuration. TOWING SETUP Set Up Right The Gear That Makes 7,700 Possible That top number assumes the truck is equipped to pull it. The piece that matters most is the Trailering Package, which adds a trailer hitch, a 7-pin connector, and Hitch Guidance. From there, the available ProGrade Trailering System brings an in-vehicle trailering app with saved trailer profiles plus trailer tire pressure and temperature monitoring — genuinely useful when you're running I-95 with something heavy behind you. Don't Forget Tongue Weight & Payload Towing capacity is only half the math. Tongue weight — the downward force the trailer puts on the hitch — should land around 10–15% of the loaded trailer weight, and it counts against your payload (which also includes passengers and whatever's in the bed). So a heavy trailer eats into how much you can carry inside the truck. When you're close to the limits, that balance is exactly what we walk through with you before you hook up. BUYER GUIDE Our Quick Take Which Canyon for Towing? Most towing for the money →  Elevation (add 4WD) or AT4 — full 7,700 lbs Towing in comfort →  Denali — 7,700 lbs with the nice cabin Off-road first, towing second →  AT4X (6,000 lbs) — great on the trail, less trailer Match Me to a Canyon FAQ FAQ Canyon Towing Questions How much can a 2026 GMC Canyon tow? Up to 7,700 lbs on the Elevation, AT4, and Denali when properly equipped with the Trailering Package. The off-road AT4X is rated up to 6,000 lbs, and the AT4X AEV Edition up to 5,500 lbs. What do I need to tow the full 7,700 lbs? The Trailering Package, which adds a trailer hitch, a 7-pin connector, and Hitch Guidance. The available ProGrade Trailering System adds an in-vehicle trailering app, trailer profiles, and trailer tire pressure/temperature monitoring. We can confirm what a specific Canyon is equipped with. Why does the Canyon AT4X tow less? The AT4X is built for serious off-road use — a 3-inch lift, locking front and rear differentials, and off-road dampers — and that hardware lowers its tow rating to 6,000 lbs (5,500 for the AEV Edition). If towing is your priority, the AT4 or Denali keep the full 7,700. What engine does the Canyon use for towing? Every 2026 Canyon uses the 2.7L TurboMax turbocharged four-cylinder: 310 hp and 430 lb-ft of torque with an 8-speed automatic. The high torque is what makes it feel strong pulling a load from a stop or up a grade. What's the Canyon's payload, and why does it matter for towing? Payload runs roughly 1,390 to 1,640 lbs depending on trim and configuration. It matters because trailer tongue weight — about 10 to 15 percent of the loaded trailer — counts against payload, along with passengers and cargo. Heavy trailers leave less room inside the truck. Can a GMC Canyon tow a travel trailer or boat in Maine? Yes. Most fishing boats, utility trailers, sled trailers, and small-to-midsize travel trailers fall well within 7,700 lbs. Larger travel trailers near or above 7,000 lbs are where we'd check payload and tongue weight against your exact setup first. Where can I see a Canyon set up for towing near Portland? At Weirs GMC in Arundel, ME — a short drive from Portland, Biddeford, and Kennebunk. We can show you Canyons with the Trailering Package and walk through the right setup for your trailer. Call 207-600-1088. CLOSE CTA Visit Weirs GMC Set Up to Tow in Southern Maine Tell us what you're pulling and we'll match you to the right Canyon and Trailering setup. We're in Arundel, minutes from Biddeford, Kennebunk, and Portland. Shop Canyon Inventory Schedule a Test Drive 2026 Canyon Overview Get Pre-Approved Financing Value Your Trade-In Call 207-600-1088