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Which Sierra HD trim is right for me? It depends on the work: Pro, SLE, and SLT for work trucks and towing comfort, AT4 and AT4X for off-road, and Denali and Denali Ultimate for luxury — all with full HD capability. We carry the largest crew-cab HD inventory in Maine, so you can compare trims side by side in Arundel. Here’s the full breakdown. At Weirs GMC in Arundel, one of the first questions we get on the heavy-duty lineup is simple: "Which Sierra HD trim is right for me?" The 2026 GMC Sierra 2500HD and 3500HD come in seven trims — Pro, SLE, SLT, AT4, Denali, AT4X, and the new Denali Ultimate — and the honest answer is that the best one depends entirely on the work you do. A contractor plowing lots all winter needs something different than a family towing a fifth-wheel up the coast. Below, we walk through every trim, what you actually get, and who each one is for — so you can spend on what matters and skip what you don't. Every trim is built on the same tough HD bones. The standard 6.6L gas V8 makes 401 hp and 464 lb-ft; the available 6.6L Duramax turbo-diesel makes 470 hp and a huge 975 lb-ft. For the full towing and payload breakdown, see our 2026 Sierra 2500HD & 3500HD guide. The 2026 Sierra HD Trims at a Glance Trim Starting MSRP* Best For Pro ~$46,700 Pure work truck — fleets, contractors, value SLE ~$53,500 A more comfortable daily work truck SLT ~$64,700 Comfort + serious trailering tech AT4 ~$71,600 Off-road capability with everyday usability Denali ~$75,000 Luxury cabin, full HD capability AT4X ~$83,700 Maximum off-road HD Denali Ultimate ~$93,800 Top of the line — every feature *Starting MSRP as of mid-2026, before options, freight, and incentives. Pricing changes — contact us for current pricing on the trucks in stock. Sierra HD Pro: The No-Nonsense Work Truck Sierra HD Pro — built to work, priced to move The Pro is the foundation of the lineup, and there's no shame in it — for a lot of our commercial customers, it's exactly the right call. You get the capable 6.6L gas V8, a big GMC infotainment touchscreen, and the durability the Sierra HD is known for, without paying for features a work truck doesn't need. It's rear-wheel-drive in base form (4WD is available higher up the lineup), which keeps the price down for fleets and owner-operators. Who it's for: contractors, fleets, and anyone who wants maximum capability per dollar. SLE & SLT: The Comfortable Middle Sierra HD SLT — comfort plus the ProGrade Trailering System This is where most retail buyers land, and for good reason. The SLE adds the creature comforts that make a long Maine workday easier — upgraded wheels, a nicer interior, and more convenience tech — while keeping a work-truck price. The SLT steps up again with available leather, 18" wheels, and — the big one for towers — GMC's ProGrade Trailering System with the in-vehicle trailering app, camera views, and a trailer checklist. If you tow a gooseneck or a big enclosed trailer and want a comfortable cab to do it in, the SLT is the sweet spot. Who they're for: SLE for a comfortable daily work truck; SLT for buyers who tow often and want comfort plus trailering tech without going full luxury. AT4 & AT4X: Built to Leave the Pavement Sierra HD AT4 — off-road ready, still works all week Maine has plenty of dirt roads, job sites, camps, and mud-season ruts, and the AT4 trims are built for exactly that. The AT4 brings an off-road suspension with twin-tube Rancho shocks, skid plates, hill descent control, gloss-black 20" wheels, and 4WD — a genuinely capable off-roader that still works all week. Sierra HD AT4X — Multimatic DSSV, factory lift, mud-terrains The AT4X is the serious one: a factory 1.5" suspension lift, Multimatic DSSV dampers, a rear electronic-locking differential, and mud-terrain tires. If you're running rough ground regularly and still want HD towing and payload, this is the truck. Who they're for: AT4 for off-road capability with everyday usability; AT4X for buyers who genuinely work or play off-pavement and want the most capable HD GMC builds. Denali & Denali Ultimate: Luxury, Full Capability Sierra HD Denali — the cabin is what sets it apart You don't have to give up capability to get comfort. The Denali trims tow and haul just like the rest of the HD lineup — they just do it in a much nicer cabin. The Denali brings 20" Ultra-Bright wheels, heated and ventilated leather seats, a Bose premium audio system, open-pore wood trim, and GMC's top tech — a great pick if you spend long days in the truck. Sierra HD Denali Ultimate — the flagship The new Denali Ultimate is the flagship: the most exclusive materials and badging, a large head-up display, an upgraded Bose system, and the full suite of driver-assist features. It's the truck for buyers who tow heavy and want every comfort and tech feature GMC offers. Who they're for: Denali for luxury with full HD capability; Denali Ultimate for the buyer who wants the best of everything. So, Which Sierra HD Trim Should You Buy? Lowest cost / fleet / pure work Pro Comfortable daily work truck SLE You tow a lot and want comfort + trailering tech SLT Off-road job sites or camp roads AT4 Serious off-road + full HD capability AT4X Luxury cabin, still tows everything Denali Want it all Denali Ultimate And remember: trim sets your comfort and capability flavor, but engine choice (gas vs. Duramax) drives your towing ceiling. We get into that in the full Sierra HD guide — worth a read before you decide. Not Sure Which Trim Fits Your Work? Tell us what you tow, plow, or haul and we'll match you to the right Sierra HD — engine and trim. We're an easy drive from Portland, Kennebunk, and Biddeford. Shop Sierra HD Inventory Get Pre-Approved Call 207-600-1088 Sierra HD Trims: Frequently Asked Questions How many trims does the 2026 GMC Sierra HD have? Seven: Pro, SLE, SLT, AT4, Denali, AT4X, and Denali Ultimate — on both the 2500HD and 3500HD. What's the difference between Sierra HD AT4 and AT4X? The AT4 is the everyday off-road trim (off-road suspension, skid plates, 20" wheels, 4WD). The AT4X is the hardcore version, adding a factory suspension lift, Multimatic DSSV dampers, a locking rear differential, and mud-terrain tires. What's the difference between Denali and Denali Ultimate? Both are luxury trims with full HD capability. The Denali Ultimate is the flagship — more exclusive materials and badging, a large head-up display, an upgraded Bose audio system, and the most complete tech and driver-assist package. Which Sierra HD trim is best for towing? Any trim can tow heavy when properly equipped — towing capability comes from the engine and trailering setup more than the trim. The SLT adds the ProGrade Trailering System, and the Duramax diesel unlocks the highest ratings. See our Sierra HD towing guide. Is the Sierra HD Pro four-wheel drive? The Pro is rear-wheel-drive in base form; four-wheel drive is available across the lineup. For Maine winters, most of our buyers go 4WD. Where can I see the GMC Sierra HD trims near Portland, Maine? At Weirs GMC in Arundel, ME — a short drive from Portland, Biddeford, and Kennebunk. We stock multiple Sierra HD trims and can order the exact configuration you want.

The 2025 GMC Canyon is the ultimate mid-size truck for those who want a perfect balance of utility, comfort, and advanced technology. With its powerful engine, rugged performance, and spacious, feature-packed cabin, the Canyon is ready to tackle any task while keeping you comfortable on every drive. Introducing the 2025 GMC Canyon The 2025 Canyon is built for drivers who need versatility without sacrificing comfort. Available in three trims, the Canyon comes exclusively in a crew cab style and comfortably seats five passengers. With 45.2 inches of legroom in the front and 34.7 inches in the back, everyone can stretch out and enjoy the ride. The front seats feature manual position adjustments as standard, with optional power adjustments on select trims. A 60/40 split-folding rear bench seat offers added flexibility for carrying both passengers and gear. The Canyon's modern, Google-based infotainment system keeps you connected and entertained, while a personal profile feature allows you to save your preferences for easy access each time you drive. more Engine and Performance The 2025 Canyon is powered by the robust TurboMax engine, delivering 310 horsepower and 430 lb-ft of torque—more than enough for a towing capacity of up to 7,700 lbs. Standard rear-wheel drive makes it ideal for daily tasks, but you can opt for the available four-wheel drive on the base trim or get it standard on higher models. With an ultra-wide stance and a factory-installed two-inch suspension lift, the Canyon is also ready for off-road adventures. The eight-speed automatic transmission, complete with powertrain-grade and cruise-grade braking, enhances both safety and performance. The Canyon also includes a tow/haul mode to improve efficiency when hauling heavy loads. Cargo and Utility The Canyon's 5-foot truck bed offers 41.9 cubic feet of cargo space, perfect for loading up dirt bikes, camping gear, or tools. With a standard payload capacity of 1,803 lbs, it’s equipped to handle most hauling jobs. For even more utility, the bed can be customized with optional storage compartments or utility walls, and a 120V outlet is available for added convenience. The Canyon is also equipped with the Trailering Package, which includes 4-pin and 7-pin connectors, wire harnesses, and a 2-inch receiver hitch for easy towing. Plus, the ProGrade Trailering System gives you access to in-vehicle apps that allow you to monitor trailer lights, brakes, and maintenance schedules, making trailering effortless. Ready to Explore? Come visit us at Weirs Motor Sales in Arundel, ME, and take the 2025 GMC Canyon for a spin. Our team is here to help you experience firsthand everything this rugged, versatile truck has to offer! Shopping the current model year? See our complete 2026 GMC Canyon guide for Southern Maine for trims, specs, and inventory.

Electric pickup trucks are reshaping the future, and the 2025 GMC Sierra EV is a perfect example. With its dual-motor setup, it delivers exceptional torque for towing and trailering, while its cutting-edge driver-assistance technologies make driving easier and more convenient than ever. 1. Work-Ready Electric Powertrain Who says towing power needs to come from a diesel engine? The Sierra EV proves that electric can match—and even exceed—the performance of traditional powertrains. With a powerful dual-motor 4WD system, it produces up to 760 horsepower and 785 lb-ft of torque when equipped with the Max Range Battery. This results in a remarkable max towing capacity of 10,500 lbs. Additionally, electric motors deliver instant low-end torque, making the Sierra EV faster than many gas-powered trucks. In Max Power mode, it accelerates to 60 mph in under 4.5 seconds, offering both performance and utility. more 2. Long-Haul-Capable Driving Range The Sierra EV is built for adventure, with an impressive driving range. On a full charge, the Sierra EV can cover up to 390 miles, making long trips a breeze without the need to recharge. Opt for the available Max Range Battery, and the range increases to an incredible 460 miles, placing the Sierra EV among the longest-range electric pickup trucks available. 3. Bidirectional Charging Capabilities The Sierra EV ensures you're never left stranded. If the battery gets low while you're on the go, you can easily find the nearest charging station using the myGMC mobile app. With access to over 250,000 public chargers, including more than 20,000 Tesla Superchargers, recharging is always within reach. A quick 10-minute charge at a DC Fast Charger provides up to 100 miles of range, getting you back on the road in no time. At home, the GM Energy PowerShift charger keeps your Sierra EV topped off overnight, ensuring you're ready for the next day. Plus, when paired with a vehicle-to-home kit, the Sierra EV can power your home for up to 21 days in an emergency, allowing you to keep your essentials running smoothly. 4. Semi-Autonomous Driving Technology Say goodbye to long, stressful highway drives with Super Cruise. This semi-autonomous driving system handles the vehicle's throttle and steering, allowing you to take your hands off the wheel while monitoring the road. Using advanced cameras, sensors, and LiDAR map data, Super Cruise keeps the Sierra EV on course while also monitoring traffic conditions. A driver-facing camera ensures you’re paying attention, adding an extra layer of safety. Ready to explore the future of driving? Visit Weirs Motor Sales in Arundel, ME, to get a firsthand look at the innovative 2025 GMC Sierra EV. Our team is ready to show you everything this all-electric pickup has to offer!

Introducing the groundbreaking 2025 GMC Hummer EV Pickup—world’s first supertruck that delivers jaw-dropping horsepower and torque, all while being 100% emission-free. Powered by advanced Ultium battery technology, this all-electric powerhouse is revolutionizing the truck industry. Unbelievable Torque and Power The 2025 Hummer EV Pickup comes in two incredible trims, each designed for power and performance. The EV 2X features an Ultium battery pack with two electric motors, delivering 570 horsepower and a massive 7,400 lb-ft of torque. It’s more than capable of hauling up to 12,000 lbs, making it the perfect choice for towing large trailers or even another Hummer EV. With a payload capacity of up to 1,485 lbs, this trim is an excellent choice for those who need strength without compromising efficiency. more If speed is what you're after, the EV 3X trim will exceed all expectations. Powered by three electric motors, the 3X delivers a thrilling 1,000 horsepower and an unbeatable 11,500 lb-ft of torque. With the available 24-module battery pack, this supertruck rockets from 0 to 60 mph in a blistering 3 seconds and boasts a range of up to 367 miles on a single charge. Electric Launch Control for Next-Level Performance The Hummer EV Pickup is equipped with Watts to Freedom, a game-changing electric launch control that maximizes torque for explosive acceleration. To activate this feature, the vehicle must come to a complete stop, then it adjusts the suspension, shock absorber stiffness, and cooling system, all controlled via the steering wheel for a truly personalized driving experience. Mastering Off-Road Adventures Conquer any terrain with confidence. The Hummer EV Pickup offers a class-leading 11.9-inch ground clearance, ensuring you can tackle obstacles without scraping the undercarriage. Need even more clearance? Simply engage Extract Mode, which boosts the ground clearance to 15.9 inches, along with enhanced approach, departure, and breakover angles. With Extract Mode, you can safely ford 32-inch deep streams or puddles, making off-roading a breeze. Advanced Driving Assistance with GM’s Best Stay connected and safe with GMC’s advanced Super Cruise technology. This hands-free driving system allows you to take your hands off the wheel on compatible roads. It combines adaptive cruise control with GPS and LiDAR map data, ensuring smooth, stress-free driving. The system monitors your attentiveness and provides warning alerts if needed. If you’re not paying attention, an Emergency-Certified OnStar Advisor will step in to ensure your safety. Experience the future of driving today. Visit Weirs Motor Sales in Arundel, ME, to explore the 2025 GMC Hummer EV Pickup in person. Our team is ready to show you how this revolutionary supertruck can become yours. Come see what makes the Hummer EV truly one-of-a-kind!

The 2025 GMC Yukon XL has a well-earned reputation for providing families with plush comforts. Read on for a look at the bold technology and sophisticated seating options you'll find inside this year's Yukon XL. The 2025 GMC Yukon XL Offers Extended Luxury Refined Seating The 2025 edition's lineup begins with the Elevation trim. Inside, you'll find eight-way seat adjusters in the front row, heated seats, and CoreTec perforated leather seating surfaces offering plush comfort for a relaxing ride. The AT4 Ultimate and Denali Ultimate trims upgrade the seating surfaces to a velvety smooth full-grain leather. The Denali Ultimate also has a leather-wrapped steering wheel. more Innovative Convenience Features A strong tri-zone automatic climate control system keeps the large cabin comfortable. Remote start comes standard and makes it easy to warm or cool the cabin to your saved settings. You can upgrade the experience further with the available eight-inch touchscreen for climate control settings on the back of the center console. This option allows your passengers to adjust the climate control settings and second-row heated seat settings for everyone's enjoyment. In the front, an 11-inch driver information center with personalization options places your vehicle's important information where it's easy to see. You can upgrade this experience by adding an available 15-inch multicolor head-up display, which will project your preferred vehicle information low in your line of sight on the windshield. You also have the option to add a rear camera mirror for enhanced visibility behind the SUV. Sophisticated Infotainment It's the finer details that define extended luxury, and the Yukon XL's elevated infotainment system is a perfect example of what this can look like with features like a high-contrast display with local blacklight dimming for the 16.8-inch advanced color LCD. Google built-in effortlessly logs you in to your familiar account. You'll have navigation, connected apps, and wireless Apple CarPlay and Android Auto integrations. A 10-speaker Bose sound system provides exceptional sound quality. You can upgrade your backseat passenger's experience with the rear seat media system. They'll have two 12.6-inch color high-definition touchscreens mounted to the front seatbacks. Wireless headphones are included, and the system is compatible with Bluetooth headphones, allowing your passengers to quietly stream their favorite movies. Advanced Driver Assistance Technology Lane keep assist, forward collision alert, and traffic sign recognition are a few of the safety monitoring features working to keep your family safe on the road. Enhanced automatic parking assist removes the stress of finding the right spot. This technology can detect the right parallel or perpendicular parking space for your full-size SUV and then maneuver the vehicle into the detected spot for you. When you're ready to upgrade your family vehicle, we're here to help. Contact Weirs Motor Sales in Arundel, ME to set up a test drive of the luxurious Yukon XL.

The 2025 GMC Acadia is a midsize SUV that looks bold in the driveway, feels refined on the highway, and is ready when the weekend calls. Its commanding presence, luxurious comfort, and advanced technology feel top-notch, and it still has the confident capability your adventures demand. Bold and Refined: The 2025 GMC Acadia Confident Power With its 328-horsepower 2.5L turbo engine, eight-speed automatic transmission, and standard front-wheel drive, the Acadia delivers the energetic performance and responsive handling you need for both city driving and the open highway. Its traction select system lets you change throttle, shift, and stability responses for snow, tow/haul, and off-road. With the standard Trailering Package, the Acadia can handle your towing jobs up to 5,000 pounds. more If you prefer dirt and gravel to downtown, consider upgrading to the AT4. With its active torque-control all-wheel drive, off-road-tuned suspension, all-terrain tires, skid plate, and lifted ride height, it's ready for your more rugged adventures. Bold Design With its dramatic C-shaped LED headlamps, bold grille, and crisp lines, the Acadia has a bold presence. Its 18-inch Grazen Metallic wheels and black roof rails add sporty style. For an even more aggressive look, the available Black Edition comes with 22-inch gloss black wheels and blacked-out exterior accents. If you prefer ultra-sophisticated style, the Denali's unique grille, animated lighting, and Galvano Silver finishes deserve a look. Refined Interior The Acadia has a calm, refined cabin with seating for eight and up to 97.5 cubic feet of cargo space with the rear seats folded. Its active noise cancellation blocks out unwanted outside noise, so you get a serene ride. Remote start ensures your vehicle is already perfectly warmed or cooled when you step in, and tri-zone automatic climate control with separate rear controls helps you maintain that temperature for the entire journey. A heated steering wheel, heated front seats, and power-adjustable driver seat enhance the driving experience. For even more luxurious comfort, the Denali trim adds leather-appointed first- and second-row seating. It also has heated and ventilated front seats and heated rear outboard seats to help everyone beat the cold on those winter mornings. Modern Technology Information and entertainment are front and center in the Acadia. An 11-inch driver information center is located behind the steering wheel, so key vehicle information is just a glance away. The 15-inch infotainment touchscreen takes center stage on the dashboard and features Google built-in, natural voice recognition, and wireless Apple CarPlay and Android Auto. This lets you control your music, get directions, and make calls without taking your eyes off the road. A 12-speaker Bose audio system provides a crisp, clear listening experience, and Wi-Fi hotspot capability keeps your passengers connected at all times. Advanced Driver Assistance The Acadia has over 15 driver-assistance features, including enhanced automatic emergency braking, blind zone steering assist, forward collision alert, and rear cross traffic braking. For hands-free driving on select roads, Super Cruise is available. The Acadia proves you don't have to choose between bold and refined. Its dramatic styling, commanding performance, and comfortable interior offer the best of both worlds. Stop by Weirs Motor Sales in Arundel, ME to experience the uncompromising beauty and capability for yourself.

If you want head-turning style, refined comfort, and efficient performance in a compact package, the 2025 GMC Terrain Elevation deserves a spot at the top of your list. This small SUV delivers big on both substance and style. 5 Standout Features of the 2025 GMC Terrain Elevation Bold Style With its sleek lines, distinctive grille, and 17-inch Grazen Metallic wheels, the Terrain Elevation has a commanding presence that defies its compact size. It's available in an assortment of eye-catching colors, including Rapids Metallic, Volcanic Red Tintcoat, and Summit White. For an added touch of flair, top it off with an available two-tone roof in Sterling Metallic or Ebony Twilight Metallic. more For a darker, edgier aesthetic, opt for the available Black Edition, which adds blacked-out 19-inch wheels, roof rails, and grille. Refined, Versatile Interior The Terrain Elevation was clearly designed for comfort. It seats five and gives ample legroom on both rows: 40 inches in the front and 39 inches in the rear. It also provides up to 63.5 cubic feet of cargo space with the rear seats folded down. Opt for the available AutoSense power liftgate for more convenience loading and unloading your things. Remote start allows you to get your vehicle to the perfect temperature before you ever step in, and heated front seats, a heated sport-style steering wheel, and available power-adjustable front seats enhance comfort even more. Efficient Power The Terrain Elevation's 1.5L turbocharged engine and Continuous Variable Transmission (CVT) combine to deliver responsive power, smooth shifting, and efficient performance. It gets an estimated 26 mpg in the city and 28 mpg on the highway, so you can go farther for less money. While front-wheel drive comes standard, an available all-wheel drive system with hill descent control is perfect for those navigating tougher terrain or New England winters. Cutting-Edge Tech Stay connected and entertained with the GMC Premium Infotainment System, which features Google built-in, natural voice recognition, and wireless smartphone integration. Whether you're navigating, making calls, or streaming music, it's all easily controlled through the intuitive 15-inch touchscreen. Built-in Wi-Fi capability, USB ports, and available wireless charging keep everyone powered up and connected on the go. Advanced Safety and Driver Assistance The Terrain Elevation has several advanced driver-assistance features, such as blind zone steering assist, lane keep assist with lane departure warning, forward collision alert, and adaptive cruise control. While these safety features can't take the place of attentive driving, they do help enhance awareness and reduce stress behind the wheel. The Terrain Elevation might be small, but it offers big style, comfort, performance, and tech. Stop by Weirs Motor Sales in Arundel, ME to take a test drive and see why it's such a standout in its class.