Our Sheehy GMC dealership is conveniently located off the highway in Hagerstown, MD and proudly serves the communities of Hagerstown MD, Winchester VA, Martinsburg WV and Frederick MD. They have a large inventory of new and used GMC cars, trucks and SUVs as well as knowledgeable service and parts teams. With such an extensive inventory, you'll be sure to find the car, truck or SUV of your dreams. Additionally, our GMC service department only uses genuine GMC parts for all maintenance and repairs so your car works as great as it did the day you bought it. The Sheehy GMC sales, finance, service and parts teams are here to help with all your automotive needs!