Welcome to Modern Auto in Washington, MO

In 1919, Modern Auto Co. was started by John Feltmann in a barn on Elm Street. The company grew and prospered in downtown Washington, MO, becoming a complete automotive service and parts facility in Washington, carrying new and used Buick, Cadillac, Chevrolet and GMC cars, trucks and SUVs. Today, we serve Washington Chevrolet and Cadillac customers with both minor and major mechanical and body repair.

Your St. Clair Buick, Cadillac, Chevrolet and GMC dealer serving St Clair and Union Missouri

Jim, Joe, and John Feltmann are the third generation of Feltmann family owners and management of Modern Auto. In 2004, Modern Auto relocated to a new state-of-the-art facility at 6224 Hwy 100 in Washington, MO. Check out our hours and directions, and stop by to see our competitive financing options if you're looking for a Washington Chevrolet, Buick, GMC or Cadillac dealership. Remember Modern Auto when looking for new or used cars, trucks and SUVs in Union and the St Clair area. Our friendly, knowledgeable staff would love to help you with the purchase of your next Chevrolet, Buick, GMC or Cadillac.

New and used Buick, GMC, Cadillac and Chevrolet models just Outside of St Louis

Here at Modern Auto Company, we specialize in all General Motors franchises and are proud to serve as your Washington, MO Buick, GMC and Washington, MO Cadillac and Chevrolet car, truck, and SUV new, used, and certified pre-owned dealership.

We also serve the greater eastern Missouri area and west St Louis suburbs, including cities such as Sullivan, Union, and St Clair, MO. We carry the new Chevrolet Volt and Sonic, the new Buick Regal and LaCrosse, the new 2012 GMC Acadia and the Sierra 1500, and the new Cadillac Escalade and SRX. If you are looking for your next Washington GMC, Buick, Cadillac or Washington Chevrolet dealership, contact Modern Auto Co with any inquiries you may have today!

GM parts and service for Washington Chevrolet, Buick, GMC and Cadillac customers

Once you've purchased your new or used Buick, Chevrolet, GMC or Cadillac car, truck or SUV, our service doesn't stop there. We have service and parts departments standing by to assist you with every aspect of maintenance for your used or new car, truck or SUV, as well as a body shop for your current vehicle maintenance convenience. If you have any questions or comments, please feel free to contact us here in Washington, Missouri.

Modern Auto Company has been helping to keep Washington, MO area wheels rolling since 1919.

MODERN BUICK: Enclave | LaCrosse | Regal
MODERN CADILLAC: CTS | Escalade | Escalade ESV | SRX | XTS
MODERN CHEVROLET: Camaro | Colorado | Cruze | Equinox | Impala | Malibu | Silverado 1500 | Silverado 2500HD | Silverado 3500HD | Sonic | Suburban | Tahoe | Traverse
MODERN GMC: Acadia | Sierra 1500 | Sierra 2500HD | Sierra 3500HD | Terrain | Yukon