Located in Union, NJ, Maxon Buick GMC first opened its doors in 1968 and since then, we have 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, in our Union, NJ near Woodbridge Buick and GMC dealership. If you're looking for a Plainfield or Woodbridge GMC dealer source, be sure to stop by our location in Union, NJ. With our extensive online vehicle inventory, we are sure to find a new or used vehicle that fits your needs and budget. At Maxon Buick GMC, you can find all the top new models, including the GMC Acadia and the Buick Enclave. Check our hours and directions page for specific directions and drop by today if you are in the Union, Elizabeth or Middlesex area. We welcome all New Jersey and Woodbridge GMC and Buick drivers.