Hennessy Auto is an automotive dealership company. It buys and sells new, used and pre-owned cars, sedans, hatchbacks, and commercial vehicles of Buick, Cadillac, GMC, Ford, Honda, Lincoln, Jaguar, Land Rover, Lexus, Porsche, and Mazda brands. The company also provides vehicle financing, repairing, collision center, warranty, servicing, insurance, maintenance, and other car care services.