Jim Salerno Buick GMC is a family owned dealership serving the Randolph community since 1971 and part of the Salerno Duane Auto Group. An established Randolph Buick GMC Dealership located on Route 10 in New Jersey. If you are in the market for a new GMC or Buick in Randolph NJ visit Jim Salerno Buick GMC. Special lease deals and financing offers on NJ Buick cars like Lucerne, Enclave, LaCrosse, and Regal. Also offering special deals and less specials on NJ GMC trucks like Acadia, Sierra Pickup Truck, Yukon Denali and the GMC Terrain.