Established in 1962, the Roy Foss Automotive Group is a leading Canadian automotive holdings company. We own and operate two ... of the largest General Motors dealership franchises in Canada, with a vehicle lineup that includes cars, vans, and trucks from Chevrolet, Buick, GMC, and Cadillac. Foss is proud to be the largest volume Cadillac and Buick dealer in Canada for the past 20 years. Foss has a reputation for superior customer service and providing vehicle solutions tailored specifically to our customer’s needs. read more