Thank you for visiting Sullivan's O'Neill's Chevrolet Buick online! We specialize in selling new and used cars, Buick and Chevrolet service, local vehicle repair, and automotive financing. Our dealership has a large selection of cars, trucks, SUVs, and vans at great prices that can’t be beat! Our website is a great resource to check out our inventory, parts, specials and financing options before coming in to our dealership.