Sales: (877) 861-0070 | Service: (877) 586-0440
Commercial: (866) 874-2468


    Complete automotive reconditioning includes exterior and interior. Save 25% on ANY reconditioning package.


    We can perform the services to restore your GM vehicle's safety, comfort, and performance.


    At Weirs Motor Sales, we both sell and install all the best brands of tires like Goodyear, Michelin, Bridgestone and more.


    Simply fill out the form below to have one of our friendly staff members contact you.

Map and Directions

Buick and GMC in Maine

Come in to our Arundel Buick and GMC dealership to find your next new or used car, truck or SUV. We have a huge selection of cars & trucks with a friendly staff dedicated to helping you find just what you want. You won't find high pressure sales at Weirs; we still feel that Arundel auto sales should be conducted with a handshake and a smile. Visit our area Biddeford and Portland GMC and Buick dealer's hours and directions page and then come down and see us at your favorite Maine GMC Dealer and Buick retailer.

Your Kennebunk & Portland, ME GMC & Buick Dealer

Portland, ME GMC truck customers can find a huge selection of Sierra 1500s, Sierra 2500 HDs and Sierra 3500 HDs. They're built to work hard, with multi-stage rear leaf springs to support your payload, anti-lock brakes and Stabilitrak stability control - to help you stay on your intended path. Arundel GMC customers may prefer to test drive a Yukon, Terrain or Acadia SUV. We also have the sleek Enclave SUV, with the features of a luxury sedan, and seating for 8. Our Portland, ME Buick customers need to also try the plush LaCrosse, stylish Regal, or comfortable Verano. All three deliver the performance you expect from a Buick, and top 30 mpg. If you have a small business that's just getting started, or a large business that needs to expand its fleet, ask us about our commercial vehicle inventory. Get a free quote online, or come down to our GMC truck dealership in Portland, ME and Arundel and see these great vehicles for yourself.

Service, Repair & Parts at Your Arundel Auto Dealership

Weirs Motor Sales is committed to taking care of your car like it was our own. That's why we hire the best factory trained technicians in the business who specialize in Buick cars and GMC trucks and SUVs. Bring in your Biddeford Buick or Biddeford GMC and our technicians will take care of your next oil change, tire rotation or scheduled maintenance, and have you on the road before you know it. If you've been in an accident, our state-of-the-art collision center can get your car back to new. Schedule an appointment, order parts, tires or accessories, and check out our service specials online for your Maine Buick GMC today.

Portland, ME Used Cars at Arundel Buick GMC

Kennebunk and Portland, ME used car dealer customers come to Weirs Motor Sales because of the excellent selection of quality vehicles we offer, with many currently on special. Our Arundel used car dealership specializing in pre-owned GMC and Buick vehicles is sure to have the used car, truck or SUV you are looking for. Come down and we'll give you the price you want, and our financial department will help you find the right loan for your budget. Pre-qualify online today to start the process of buying you next used car in Portland, ME from the friendliest Arundel auto sales department around.

Thank you for visiting Weirs Motor Sales, the premier Buick GMC Maine dealer.

Service | Parts Order Form | GM Accessories

Buick: Enclave | Encore | LaCrosse | Regal | Verano
GMC: Acadia | Savana Cargo Van | Savana Commercial Cutaway | Savana Passenger | Sierra 1500 | Sierra 1500 Hybrid
Sierra 2500HD | Sierra 3500HD | Terrain | Yukon | Yukon Hybrid | Yukon XL

Customer reviews

4.8 / 5
  • Enclave Customer reviews

    Happy customer who trusts our vehicle to be serviced so that it is always safe to drive. You have an amazing body shop. We have been in 2 accidents with our Enclave and each time, your shop returned


    2009 Buick Enclave
  • Silverado 1500 Customer reviews

    Very satisfied with the service dept.


  • Equinox Customer reviews

    Excellent - from making the appointment to completion. service dept was excellent. dealership owner even took time to show me around while I was waiting.


  • HHR Customer reviews

    Hello Weirs,, Good people,good service, still have some concerns about the recall situation on my 2011 HHR. You folks seem to think my model year not involved, but some TV and Print media seem to indi


  • Sierra 1500 Customer reviews

    I had damage to the left front fender repaired. The dent was expertly repaired. My truck was expertly "detailed", inside and out. Front and rear floor mats were replaced with new. Very pleased with th


    2007 GMC Sierra 1500
  • Sierra 1500 Customer reviews

    Originally went to Weirs GMC because we had seen a 2011 GMC 1500 slt that we wanted to look at. Two days latter when we drove up from York it had already been sold as related to us by sales rep. Pete


    2013 GMC Sierra 1500
  • LaCrosse Customer reviews

    Excellent service. Your employees are A#1 as well. I would highly recommend weird motors.


    2012 Buick LaCrosse
  • Sierra 2500HD Customer reviews

    I brought in my 2011 denali for warranty work. A module had to be ordered to fix the problem of not having trailer brakes, Another problem was my doors would intermittently lock themselves with the k


    2011 GMC Sierra 2500HD
  • Sierra 1500 Customer reviews

    The salesperson, Erwin, was friendly and helpful. He never pushed and was very knowledgeable about the different features on different vehicles. He was truly interested in how I would be using the tr


    2014 GMC Sierra 1500
  • Sierra 2500HD Customer reviews

    Weirs GMC is the best! Top-notch sales and financing! Couldn't ask for anything better.


    2014 GMC Sierra 2500HD