Contact Information

  • Sales:866-612-1571
  • Service:866-488-2875

Specials

  • 2014 GMC Sierra 2500HD Crew Cab..
    Fall Sales Event!!!*
    2014 GMC Sierra 2500HD Crew Cab..
  • 2010 Honda Accord Crosstour EX-L..
    Fall Sales Event!!!*
    2010 Honda Accord Crosstour EX-L..
  • 2014 Hyundai Sonata 4dr Sdn 2.4L..
    Fall Sales Event!!!*
    2014 Hyundai Sonata 4dr Sdn 2.4L..
  • 2010 Ford Taurus 4dr Sdn Limited..
    Fall Sales Event!!!*
    2010 Ford Taurus 4dr Sdn Limited..
  • 2009 Dodge Ram 1500 4WD Crew Cab..
    Fall Sales Event!!!*
    2009 Dodge Ram 1500 4WD Crew Cab..
  • 2011 Ford Flex 4dr SEL FWD
    Fall Sales Event!!!*
    2011 Ford Flex 4dr SEL FWD
  • 2011 Buick Enclave CXL-1 AWD
    Fall Sales Event!!!*
    2011 Buick Enclave CXL-1 AWD
  • 2011 Buick Lucerne CX
    Fall Sales Event!!!*
    2011 Buick Lucerne CX
  • 2012 Chevrolet Volt 5dr HB
    Fall Sales Event!!!*
    2012 Chevrolet Volt 5dr HB
  • 2014 Chevrolet Cruze Sedan 2LT..
    Fall Sales Event!!!*
    2014 Chevrolet Cruze Sedan 2LT..
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Your Hyannis Cadillac, Buick, GMC Dealer on Cape Cod


Buick GMC Cadillac of Cape Cod is conveniently located in Hyannis, Massachusetts, just a short drive from Provincetown, Sagamore and Chatham. We have served Cape Cod for more than 45 years, providing new and used Buick, GMC and Cadillac sales, financing, as well as service and parts, in a pleasant atmosphere that has customers coming back again and again.

Our friendly sales team knows what it takes to make our customers happy, and they work hard to exceed your expectations every day. If you're looking for a new GMC, Cadillac or Buick vehicle, make us your first stop! We offer monthly specials at competitive prices, and you won't find any pressure to commit before you're ready. We're also your source for used car sales on Cape Cod, with a huge inventory that can't be beat.


Searching for a Massachusetts Cadillac, Buick, or GMC Dealership?


If you've been looking for a Massachusetts GMC dealer, you'll be glad to hear that we have one of the best selections of GMC trucks and SUVs in MA. We also have a huge inventory of new Cadillac and Buick models that are worth making the short drive over to Hyannis. We're only 30 minutes east of Plymouth in Massachusetts, just take MA-3 to US-6 and you'll be at Cape GM in no time!

Cape Cod Used Cars


Buy a Cape Cod used car with trust at Cape GM. Our used car dealership has plenty of certified pre-owned and used cars and trucks for you to choose from. All of our certified pre-owned Cadillac, Buick, and GMC cars come fully inspected and with an additional warranty included.

Cadillac, Buick, GMC Service Center


We're here for you long after you sign on the dotted line. Visit our Buick, GMC and Cadillac service center to keep your car, truck or SUV running smoothly for years of trouble free driving. We only use genuine Buick, Cadillac and GMC parts in our repairs, and we make those same parts available to Cape Cod drivers who like to perform their own service and maintenance. Not only can you order parts and make a service appointment from our website, but you can also check out our tire finder, if you're in need of new tires.

We're completely dedicated to providing the best service possible to our Barnstable, Bourne and Hyannis customers. Visit us today for all your Cadillac, Buick and GMC needs!

Map and Directions

Customer reviews

4.5 / 5

Dealer Rating

Our average rating from our customers is

4.5 / 5

Read Reviews

  • Sierra 1500 Customer reviews

    The team really worked hard to insure I received the best value and showed me all the available discounts. very happy with the truck and would recommend this dealership

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    2015 GMC Sierra 1500
  • SRX Customer reviews

    dead battery after only 23,000 milea??? but 4 to 5 years old!!! dealer waas good. i like them.

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    2010 Cadillac SRX
  • SRX Customer reviews

    The waiting room has been upgraded nicely. Advice about needed service was appreciated and the service was completed in a timely manner.

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    2010 Cadillac SRX
  • Enclave Customer reviews

    I had three grandsons with me in the waiting area..........4-1/2,6-1/2 & 8 yrs. Before I knew it, balloons showed up. A couple emplyees where really nice to us.

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    2014 Buick Enclave
  • DTS Customer reviews

    Excellent experience! Pete does a great job and I have every reason to feel that Greg, the mechanic, also did a great job

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  • LaCrosse Customer reviews

    Martha was a wonderful saleswomen..... she listened to our needs and put us in the car that is perfect for our family. Andrew the finance guy was wonderful to us also. We love our Buick!!!! Thank yo

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    2014 Buick LaCrosse
  • LaCrosse Customer reviews

    Oil change

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    2011 Buick LaCrosse
  • Terrain Customer reviews

    Martha was the best car sales person I have ever done business with. I guess maybe more women maybe the answere. 2015 gmc terrain.

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    2015 GMC Terrain
  • Encore Customer reviews

    Very courteous people to deal with.

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    2014 Buick Encore
  • Sierra 1500 Customer reviews

    Just purchased a new 2014 GMC Sierra SLE Double Cab. Probably the best new car buying experience I've had in 35 years. I would highly recommend.

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    2014 GMC Sierra 1500