GMC Sierra 2009 Automatic Gasoline mileage: 300 KM or more Sierra 2009 Mileage 476, can be increased Engine disassembled to change tappets, clean the strainer, and change the gasket. Transmission is rebuilt, and the body is good. Fender and door have paint, and the roof was painted for cosmetic reasons as it started to peel. For sale to the highest bidder.