GMC Sierra 1979 Manual Gasoline mileage: 1 KM 1979 GMC Sierra Rebuilt 454 engine on a 454 chassis 3-speed manual transmission with L 14/45 rear end Engine and transmission are guaranteed Chassis is sound Isuzu A/C Bed wood is of the finest quality, water and moisture resistant Carries a distinctive license plate Fuel tanks are working Inspected and ready For auction