Since 1968, Maxon Buick GMC has been a family-owned and operated car dealership committed to the highest level of customer satisfaction and service to our surrounding communities of Green Brook, Woodbridge, Jersey City, Newark and beyond. Over these years, we've built lasting relationships with our customers, providing GM sales and service to multiple generations that know us personally and trust us to deliver on our promises and stand behind every vehicle.

New Buick GMC Inventory
We are proud to offer outstanding new GMC and Buick vehicles for sale in Union NJ. These reliable, American-made cars, trucks and SUVs have provided our customers with dependabl and affordable means of transportation for years and the future of these innovative brands is bright as they evolve to meet driver's changing needs. The emergence of SUV and crossover popularity has seen the Buick Enclave, Encore and Envision become customer favorites, as well as the GMC Acadia, Terrain and Yukon. Need a truck to meet your driving and work needs? GMC Sierra and Canyon are powerful, quality-built pickups that answer the call. Stop by Maxon Buick GMC to speak to Sales and Leasing Professional and test drive a new Buick or GMC model today.

Pre-Owned Vehicle & Used Car Dealer In Union NJ
"Great new cars make great used cars" is a saying we believe in here at Maxon. Our used car inventory is loaded with many low-mileage, late-model pre-owned Buick and GMC models, some carrying the Certified Pre-Owned GM label, as well as many other quality used cars from other manufacturers. Each vehicle is inspected and prepared for sale insuring high quality and the best used car deals in the Green Brook, Woodbridge, Jersey City and Newark area. Browse our pre-owned vehicle inventory online and visit us for a test drive in any one of these great automobiles.

Buick GMC Service Center in Union NJ
In addition to our highly rated new and used car sales, Maxon Buick GMC is also a trusted source for expert quality auto service and repair in the Green Brook, Woodbridge, Jersey City and Newark area. We strive to provide quick, convenient service while you wait in our comfortable customer lounge enjoying refreshments and wifi. Our knowledgeable Service Advisors and highly-trained GM Certified Service Technicians are qualified to quickly diagnose your vehicle's potential issues and accurately assess any necessary repairs and complete them in the estimated time window that was promised to you - and for the estimated cost. Whether your vehicle needs a routine maintenance checkup or is in need of a more serious repair, Maxon is the preferred GM Service Center on Route 22. Trust us for your next oil change, brake service, tire rotation, battery check-up or radiator flush and be sure to check our current Service Coupons to save off our already competitive service rates. No matter where you bought your vehicle or what brand it is, make your next service appointment at Maxon Buick GMC. We look forward to serving you!

Proudly Serving These Great Communities with Buick GMC Deals:

Newark NJ
Elizabeth NJ
Montclair NJ
Plainfield NJ
Irvington NJ
Livingston NJ
Westfield NJ
Bayonne NJ
Kearny NJ
Florham Park NJ
Madison NJ
Harrison NJ
Morristown NJ
Caldwell NJ
Linden NJ
  1. Maxon Buick GMC

    2301 RT 22 West
    Union, NJ 07083

    • Sales: (908) 768-2036
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Maxon Buick GMC

2301 RT 22 West
Directions Union, NJ 07083

  • Contact: (908) 768-2036


  • Monday 9:00 am - 8:00 pm
  • Tuesday 9:00 am - 8:00 pm
  • Wednesday 9:00 am - 8:00 pm
  • Thursday 9:00 am - 8:00 pm
  • Friday 9:00 am - 8:00 pm
  • Saturday 9:00 am - 8:00 pm
  • Sunday Closed