McDaniel GM Superstore is an Chevrolet, Buick, GMC, and Cadillac dealership located at 1065 Mt Vernon Ave. You can find GM parts, auto repair services, and new and used vehicles at this Marion auto dealer. We serve Bucyrus, Mansfield, and Central Ohio with quality cars and superb customer service. Come to our showroom to experience the amazing car buying experience that has kept us in business for 100 years!