GMC Sierra Z71 2014 Automatic Gasoline mileage: 291 KM 4WD GMC Sierra for sale, guaranteed gearbox, engine, chassis, airbags. The GMC has paint on the passenger door and the edge of the trunk. Gear cooler installed. (Only serious buyers should contact) Only serious buyers should contact. Only serious buyers should contact. If you are serious about buying, you have inspection centers. From your card to Al-Fawzan, you go and inspect the vehicle. Those who like to chat should not contact.