GMC Sierra 2013 Used Automatic Gasoline 4WD Used GMC Sierra 2013 Wanted: Sierra 2010-2013, single cabin, full option, double shifter, 6 gears, 5.3 engine, black color, mileage not exceeding 400,000 km. Engine, gearbox, chassis, and airbags must be in good condition. Body condition (painted or not) is not important. If you have one, please contact me and send the price and pictures.