Looking for a Portage Chevy dealer? Or maybe you're looking for a Cadillac dealer in Portage? Regardless of which GM brand you're interested in, Don Larson Chevrolet Buick Cadillac GMC is Portage's leading GM dealership. We offer a full line of 2017 Buick, GMC, Chevy and Cadillac models as well as a huge used car selection. So if you're looking for a Portage GM dealer, think Don Larson!