Mark Sweeney GMC dealership has been serving the good people of the greater Cincinnati area since 1991. We have also been a Buick dealership since 2005. We are conveniently located on Highland Avenue, just a couple of blocks from Interstate 71, Ridge Road, and Kennedy Avenue. We offer a full compliment of services at our dealership including new and preowned vehicle sales, service, parts, and accessories. Stop by today to take a test drive.