Sales: (732) 733-2627 Service and Parts: (732) 733-2628
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New and Used Vehicles for Sale at Green Brook Buick GMC

Whether you're in Westfield, Staten Island, Edison, Bridgewater or anywhere in New Jersey for that matter we've got the new Buick, GMC or used car you're looking for at Green Brook Buick GMC, your source for new and used cars in Green Brook, NJ. If you've been looking for a trustworthy New Jersey Buick and GMC dealer with a great selection of GM vehicles, you can quit searching. Perform a quick search of our Green Brook inventory or refine your results with the filters below and come in for a test-drive today!

PureCars Trade Report

Customer reviews

4.6 / 5

Dealer Rating

Our average rating from our customers is

4.6 / 5

Read Reviews

  • LaCrosse Customer reviews

    Perfect service, routine oil change, tire repair and rotation, courtesy car wash. Very pleased

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    2014 Buick LaCrosse
  • Acadia Customer reviews

    Great experience and helpful staff.

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    2015 GMC Acadia
  • Acadia Customer reviews

    My experience at greenbrook dealership for gmc was so great. I don't feel any difficulties when i am dealing with the sales person and other people over there.

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    2015 GMC Acadia
  • Verano Customer reviews

    Everything was good and Ricky in service went above and beyond

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    2014 Buick Verano
  • Terrain Customer reviews

    Mike was great very responsive easy to work with. Followed up after the sale and got answers to all my questions.

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    2015 GMC Terrain
  • LaCrosse Customer reviews

    Greenbrook Buick GMC is by far the most service-oriented facility ever. The Service Representatives truly took care of my problems during this most recent visit. In addition, due to recurring problem

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    2013 Buick LaCrosse
  • Enclave Customer reviews

    My experience was outstanding from start to finish especially Juan the salesperson.

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    2015 Buick Enclave
  • LaCrosse Customer reviews

    When I walked into the service office and was surprised to see Sonny. He recognized me in a instant and greeted me with a heart felt greeting there where people in the office being take care of,howeve

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    2013 Buick LaCrosse
  • Enclave Customer reviews

    Excellent, polite, responsible, professional service! Everyone is helpful and topnotch!

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    2013 Buick Enclave
  • LaCrosse Customer reviews

    All work was done efficiently and promptly. I am totally satisfied with Green Brook service both currently and for the past seven or eight years.

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    2011 Buick LaCrosse

*** Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers.

*EPA Estimates Only

**Tax, title and license are extra. Take delivery by 6/1/15.

*** Tax, title, license (unless itemized above) are extra. Not available with special finance or lease offers.