GMC Sierra Z71 2011 Automatic Gasoline mileage: 300 KM or more 4WD For sale: GMC Sierra single cab 2011 Mileage: 310,000 Engine, gearbox, 4x4 system, and differential are all sound. Body has a minor accident on the bed side, which has been repaired. Added a set of Profender shocks. Added a 40-row transmission cooler. Tires have been changed. Consumables have been replaced. Steering rack has been replaced. The car is ready for use.