GMC Sierra Z71 2013 Used Automatic Gasoline mileage: 680 KM or more 4WD Mileage 680 thousand, engine and gearbox have not been opened. Engine The gearbox has a slight jerk and has been with me for four years. The engine consumes oil due to the mileage. The four-wheel drive is working and its condition is good. Scattered paint on the body. Airbags have not deployed.