Locate Chevrolet, Buick, GMC, or Cadillac paint color codes and download GM-specific color compatibility guides and reference materials for model years 2003 to the present. GM GENUINE PARTS PAINT Matching the exact auto paint color of your Chevrolet, Buick, GMC, Cadillac, HUMMER, Oldsmobile, Pontiac, or Saturn vehicle can be a frustrating endeavor.