Thornhill GM Superstore is an automobile dealership that specializes in the sale and purchase of new and pre-owned vehicles. The dealership offers trucks, vans, cars and sport utility vehicles from Chevrolet, GMC and Buick. It serves customers throughout Chapmanville and Charleston, West Virginia. Thornhill GM Superstore s selection of Chevrolet models includes the Avalanche, Aveo, Camaro, Cobalt, Impala, Malibu and Silverado. In addition, the dealership provides several financing options through third-party lenders. It operates a parts department that offers a variety of vehicle parts and accessories. Thornhill GM Superstore provides online options for scheduling appointments. The dealership has expertise in preventive maintenance and repair services.