Thank you for visiting Diepholz Auto Group online.  We're  proud to serve the surrounding Charleston, IL area which includes Mattoon, Paris, Effingham, Sullivan, Tuscola, Arcola and Champaign.  We carry a large variety of new and used Chevy, Buick, Pontiac, GMC, and Cadillac vehicles.  Whether you're looking for the new Chevy Silverado, Buick Enclave, Pontiac G6, GMC Arcadia, or Cadillac CTS, we're the place for you.