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Providing an Excellent Purchase and Ownership Experience.

Green Brook Buick GMC is New Jersey's largest inventory of new and used Buick and GMC inventory.

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HOLIDAY SAVINGS  ALL MONTH LONG

SUPPLIER PRICE


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Green Brook Auto Repair & Parts Department


If you're looking for used cars for sale in NJ, look no further than Green Brook Buick GMC. Our conveniently located Green Brook auto dealership allows us to serve central New Jersey customers with a huge selection of new and used cars, trucks, and SUVs in New Jersey. Here at Green Brook Buick GMC, our highly qualified staff is ready to assist you with the purchase of a Buick or GMC car, truck, SUV, or crossover. In addition, we offer financing, service, and parts. Come find your used or new GMC or Buick at Green Brook Buick GMC. We happily serve everyone from Bridgewater, Hillsborough, Edison, and other nearby areas.

HOLIDAY SAVINGS ALL MONTH LONG

10% OFF MSRP 

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HOLIDAY SAVINGS ALL MONTH LONG 

16% OFF MSRP
ON SELECT INVENTORY
PureCars Trade Report

WE LOVE TO HEAR FROM YOU

We're proud of our 
testimonials. Somehow,
our customers always
seem to say it best.

Customer reviews

4.7 / 5

Dealer Rating

Our average rating from our customers is

4.7 / 5

Read Reviews

  • Sierra 1500 Customer reviews

    Great staff (sonny especially) and timely service. Only recommendation is calling with updates if possible. It was a Saturday which is a busy day so I can understand decreased communication on when se

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    2014 GMC Sierra 1500
  • Sierra 3500HD Customer reviews

    Courteous and professional service Fred is a good service manager ??

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    2015 GMC Sierra 3500HD
  • Sierra 1500 Customer reviews

    Great

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    2016 GMC Sierra 1500
  • Terrain Customer reviews

    good service. The sale of our car though didn't go so well, we were forced to go through GMC financing instead of our own loan. Just put a bad taste in our mouth because we had a family tragedy and si

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    2014 GMC Terrain
  • Yukon XL Customer reviews

    I had a good experience and felt things were handled efficiently. I feel the most important thing is getting your vehicle fixed (correctly) and getting it returned to you as quickly as possible. I ca

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    2011 GMC Yukon XL
  • Acadia Customer reviews

    Service manager went above and beyond to make sure I was comfortable during my wait, even suggesting I wait upstair because the chairs have tables for me to work at. Always a pleasure!

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    2011 GMC Acadia
  • Sierra 1500 Customer reviews

    Recall completed quickly

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    2016 GMC Sierra 1500
  • Acadia Customer reviews

    Frampton Walker is an exceptional salesman. He took his time to meet my needs and really understood what i was looking for in my new vehicle. I would definitely recommend Green Brook and Frampton for

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    2017 GMC Acadia
  • LaCrosse Customer reviews

    Tony in the Service Department was very helpful & professional in taking care of my oil change & tire rotation. He advised me that they were very busy but my car was ready in ca. one hour. We always h

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    2014 Buick LaCrosse
  • Encore Customer reviews

    Great service and a pleasant place to do business!!!!!!!!!!!!!!!!!!!!

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    2016 Buick Encore


Close to Many Communities all over New Jersey and Hunterdon County

We have a wonderful selection of new and used cars, trucks and SUVs here at Green Brook Buick GMC, so if you are looking for a pre-owned GMC or Buick car or truck in New Jersey, then you have come to the right place. Check our used inventory right here on the site! Green Brook Buick GMC is the #1 Buick GMC dealer in the state of New Jersey. Need directions from Somerville, Hillsborough, or other communities? Check our map.

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