Arnie Bauer Buick GMC in Matteson, IL is a Cadillac, Buick and GMC dealer serving the entire Chicagoland area. Arnie Bauer Buick GMC offers new and used cars, auto parts and service, financing and more. Whether you're looking for a new car or truck, or want to know whether you should buy or lease, contact us today. For drivers throughout Matteson, Frankfort, Tinley Park, and more, consider Arnie Bauer Cadillac Buick GMC your preferred new and used car dealer.