Welcome to Diepholz Chevrolet Cadillac Buick GMC in Charleston, Illinois. Our dealership is a short drive from Effingham, Sullivan, Champaign, Casey, and serves as a Mattoon Buick dealer. We have a wide selection of different GM makes and models (we are the only full GM dealership in the area). So if you are looking for a Cadillac Escalade, Chevy Silverado, Buick Lucerne, GMC Sierra, CTS, Malibu, Acadia, Enclave, or other GM car, chances are we have it! So come into your Mattoon Chevrolet dealer in Charleston today!