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

Specials

  • 2011 Chevrolet Equinox AWD 4dr LTZ
    Fall Sales Event!!!*
    2011 Chevrolet Equinox AWD 4dr LTZ
  • 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..
  • 2011 Cadillac SRX AWD 4dr Luxury..
    Fall Sales Event!!!*
    2011 Cadillac SRX AWD 4dr Luxury..
  • 2014 Buick Verano 4dr Sdn..
    Fall Sales Event!!!*
    2014 Buick Verano 4dr Sdn..
  • 2014 Hyundai Sonata 4dr Sdn 2.4L..
    Fall Sales Event!!!*
    2014 Hyundai Sonata 4dr Sdn 2.4L..
  • 2011 Cadillac Escalade AWD Luxury
    Fall Sales Event!!!*
    2011 Cadillac Escalade AWD Luxury
  • 2010 Ford Taurus 4dr Sdn Limited..
    Fall Sales Event!!!*
    2010 Ford Taurus 4dr Sdn Limited..
  • 2011 Hyundai Sonata 4dr Sdn 2.4..
    Fall Sales Event!!!*
    2011 Hyundai Sonata 4dr Sdn 2.4..
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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

  • LaCrosse Customer reviews

    We had warranty work done on the HVAC system. I was completely satisfied with the service afforded us. We were given a loaner vehicle to use while our car was being serviced and the service manager wa

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    2014 Buick LaCrosse
  • SIERRA 2500HD Customer reviews

    Great group of men and women at your dealership.

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    2015 GMC SIERRA 2500HD
  • ATS Customer reviews

    It was helpful to have the drop-off box available. The work was performed sooner than I expected. And I received free shuttle service back to the dealership. An easy and trouble-free service experi

    Read More >>

    2013 Cadillac ATS
  • Terrain Customer reviews

    Bought in for oil change and tire rotation. All went well. We were given more recommended work which we will do when a recalled part comes in.

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    2011 GMC Terrain
  • ATS Customer reviews

    pleasant visit

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    2013 Cadillac ATS
  • SRX Customer reviews

    I left my 2010 SRX at the lot on a Sunday with a key drop off. The car was dead and would not start in my driveway. After jump starting. I drove to the dealership to leave the car rather than hazard a

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    2010 Cadillac SRX
  • Encore Customer reviews

    Great experience. Appreciated the ride back to work. Nice to be credited $25 as a preferred customer. Nice to get a free car wash pass. Everyone I delt with ws friendly and helpful.

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    2013 Buick Encore
  • SRX Customer reviews

    nice visit...performed service expeditously

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    2011 Cadillac SRX
  • Enclave Customer reviews

    all issues corrected professionally, courteously,reasonably priced, and timely. Great Service!!

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    2010 Buick Enclave
  • ATS Customer reviews

    I have been working with Phil and all for years and years....it is always a positive experience They go out of their way to make sure you are satisfied Pete in service is excellent too.

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    2013 Cadillac ATS