GMC Sierra 2012 Automatic Gasoline mileage: 300 KM or more Sierra 2012. The vehicle has been with me for over 10 years. (The hood and fender have been repainted due to peeling) The vehicle is for the end-user, without 4WD. Gearbox, engine, and airbags are guaranteed. Mileage: 470,000 km. (I accept suitable trades)