At Modern Auto Company our full line of Buick, Cadillac, Chevrolet, GMC, and Pontiac vehicles, including the GMC Acadia, Pontiac Solstice, and Buick LaCrosse, are available for you to look at and test drive. Browse pictures and detailed information about new Buick, Cadillac, Chevrolet, GMC, and Pontiac Cars, Trucks, or SUVs in our online inventory. If you are in the Washington, Sullivan, Troy, St. Louis, O'Fallon, Festus areas, be sure to check Modern Auto Company's new Buick, Cadillac, Chevrolet, GMC, and Pontiac inventory often, since we add new Buick, Cadillac, Chevrolet, GMC, and Pontiac all the time. Once you find the new Buick, Cadillac, Chevrolet, GMC, or Pontiac you're looking for, contact one of our friendly team members today by filling out a contact form or calling us at 1-800-748-7851. You can also check out any of our New Car Specials for a great deal on your new vehicle.