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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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Green Brook End Of Summer Savings 

8%off MSRP - select inventory
Excludes taxes title, License and options.
Offer ends 9/01/2016

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.

Green Brook End Of Summer Savings 

12%off MSRP - select inventory
Excludes taxes title, License and options.
Offer ends 9/01/2016
1/

Green Brook End Of Summer Savings 

16% off MSRP - select inventory.
Excludes taxes title, License and options.
Offer ends 9/01/2016
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

  • Regal Customer reviews

    Fast, Friendly & Professional.I usually deal with Rick Calado, a very friendly, knowledgeable and professional gentleman. He is a pleasure to deal with.

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    2013 Buick Regal
  • Terrain Customer reviews

    Michael was great! Not the typical car salesman. Honest, friendly, and not at all pushy! Would definitely recommend!

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    2016 GMC Terrain
  • Sierra 1500 Customer reviews

    Very nice in and out in a timely fashion and got the truck i wanted aswell as the staff and sales people were very friendly and helpfull..

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    2016 GMC Sierra 1500
  • Sierra 1500 Customer reviews

    very professional was finished faster then i thought and truck is running great as always

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    2015 GMC Sierra 1500
  • Verano Customer reviews

    Fast turn around time.

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    2016 Buick Verano
  • Terrain Customer reviews

    excellent

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    2015 GMC Terrain
  • Terrain Customer reviews

    I called in to schedule an oil change and tire rotation for my Terrain. My original appointment had to be moved and I was given a loaner car. This was extremely helpful since I did not have to take a

    Read More >>

    2015 GMC Terrain
  • Acadia Customer reviews

    There was a delay in getting my car so the dealership gave me a loaner until my car came in. This was totally unexpected and really appreciated! This went above and beyond any customer service I've ex

    Read More >>

    2017 GMC Acadia
  • Enclave Customer reviews

    They were Pleasant and great service very knowledgeable and when they work with you..

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    2008 Buick Enclave
  • Yukon XL Customer reviews

    Chris Devlin the Salesman and Alex from finance were both friendly, courteous and professional. No high pressure sales tactics. They listened and did their best to accommodate my needs. And they did,

    Read More >>

    2016 GMC Yukon XL


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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