Harper Buick Chevrolet GMC is a dealer of GMC Chevrolet, used cars, trucks and sports utility vehicles (SUVs). Based in Minden, La., the company offers a range of vehicles, such as Buick Lucerne, GMC Acadia, GMC Sierra 1500, GMC Yukon, GMC Yukon XL and GMC Canyon models. It offers its service in areas, including Ruston, El Dorado, Magnolia, Marshall and Texas. Harper Buick Chevrolet GMC offers various financing options, loans and down payment schemes, to its clientele. The firm offers various services related to maintenance, cooling system, oil changing, brake inspection, fuel filtering and tire rotation, among others.