Welcome to Prouse Chevrolet Buick GMC Cadillac Ltd! We’re proud to offer the finest selection of Chevrolet, Buick, GMC and Cadillac vehicles. We carry only the highest quality new cars, trucks, or SUVs, be sure to check out our inventory of new and used cars, trucks, and SUVs and contact us with any questions you may have regarding vehicles, parts, service and financing. If you live in Sault Ste. Marie or surrounding area, our car dealership is the right choice for your next purchase.