Want to customize your own Peterbilt or GMC? With DSU Peterbilt & GMC Inc.'s build-your-own configurator, you can build or research your new car, and choose the options you want. Whether you are looking for a GMC Envoy, Canyon, or Yukon, DSU Peterbilt & GMC Inc. has it. Once you have built the car of your dreams, call our knowledgeable Sales staff at (800) 556-4998, or apply for financing. DSU Peterbilt & GMC Inc. proudly serves the Portland, Medford, Phoenix, and Kelso , Washington areas.