Union Buick and Morris GMC
  • Sales:(908) 364-4148
  • Service:(908) 364-4005
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Union GMC Buick - New Jersey's Buick & GMC Dealer

We first opened our doors in 1968 and since then, Union GMC Buick has remained a family owned and operated business that promises the highest level of customer service and satisfaction. The relationships we built with our customers is why we are in business today. Every day of the week, you can find our dealer principal, John Manganelli hard at work along with his son Rocco. With 350 new vehicles and 200 used and pre-owned vehicles in our vehicle inventory, we are sure to find a car, truck or SUV to fit your needs and budget.

At Union GMC Buick, you can find all the top new models, including the GMC Acadia and the Buick Enclave. We proudly serve Morris, Somerset and Essex county Buick and GMC customers. Check our hours and directions page for specific directions and drop by today to experience hassle-free customer service and a fantastic selection!


Buick Dealership in Union, New Jersey

At Union GMC Buick, we aim to offer the best deals on Buicks to Union County, as well as Essex, Morris, and Somerset counties. Union GMC Buick is conveniently located right on US Route 22 to serve New Jersey Buick drivers. We have a full inventory of all the new Buick models. If you are looking for an affordable and fuel-efficient car, look no further than the Buick LaCrosse, Buick Regal, or Buick Verano. If a crossover SUV better fits your needs, check out the Buick Enclave or Buick Encore.  We encourage you to stop in our dealership in Union, NJ to test drive your favorite Buick vehicle


GMC Dealership in Union, New Jersey

Union GMC Buick also offers great deals on the latest GMC models. The GMC Acadia and GMC Terrain are both popular choices for drivers who want the versatility of an SUV with the fuel efficiency of a smaller car. These crossover vehicles are great for city driving. If your looking for something bigger, the GMC Yukon is the signature SUV you have been looking for. The Yukon has all the room and power you expect out of a world-class SUV. For those New Jersey drivers that love a powerful truck, the GMC Sierra 1500, GMC Sierra 2500HD and GMC Sierra 3500HD are here to help you command the road and handle any job you need done.


Car Service and Auto Financing in Union, New Jersey

If your Buick or GMC needs car service or maintenance, we offer a full service center to get you back on the road in no time. Please check out our latest service specials so you can save some cash on auto service. We also offer many Buick & GMC accessories for sale at our dealership, as well as an option to order car parts online.

At Union GMC Buick, we aim to offer our customers the best possible deal possible in New Jersey. A big part of that has to do with auto financing, which we hope to help you with. It can be a confusing subject, but we offer several resources to help you be prepare before you come in. We encourage customers to get a quick quote on the vehicle they are interested in, get an estimate on their payment amount with our car payment calculator, and discover any specials and incentives that can help you save cash. If you have any questions, our knowledgeable staff is here to help. Feel free to contact us online or give us a call at (908) 364-4148.

Customer reviews

4.6 / 5
  • Regal Customer reviews

    2012 Buick Regal

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    2012 Buick Regal
  • Lucerne Customer reviews

    It is always a pleasure going to Union County Buick. The service and staff are great.

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  • Regal Customer reviews

    My experience at Union Buick was positive and pleasant. I was extremely pleased with the information and education on leasing that was received from Nick and Greg on the sales team. They were very tho

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    2014 Buick Regal
  • Verano Customer reviews

    The problem was a warning signal for open gas cap and engine light. After several attempts to identify the cause of the signal, they asked me to leave the vehicle with them to try and identify the pr

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    2013 Buick Verano
  • Acadia Customer reviews

    Kevin Mac was kind, genuine and considerate to my financial situation.

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    2014 GMC Acadia
  • Acadia Customer reviews

    everything was great

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    2013 GMC Acadia
  • Enclave Customer reviews

    I have been to Union Buick several times for my 2009 Enclave. I bought it certified Pre-owned. The service department has always been professional and has done there best to help me with a car that h

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    2009 Buick Enclave
  • Terrain Customer reviews

    I brought in my 2011 GMC Terrain for its 45,000 mile Factory Sceduled Maintenance. The service was started on time and completed on time in a totally acceptable fashion. I have been a customer of Un

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    2011 GMC Terrain
  • Terrain Customer reviews

    2012 Terrain..had issue with on board screen going to a all wht haze..no color, no back-up camera. Turns out that it needs to be replaced(not in stock). The only issue that I had was the long wait. I

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    2012 GMC Terrain
  • Terrain Customer reviews

    No story just like it there. I work nights so I bring my truck in and sleep in the waiting room till they are done go on with my day. Great place to nap.

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    2011 GMC Terrain