GMC Sierra Z71 2010 Used Automatic Gasoline mileage: 300 KM or more 4WD For sale: GMC Sierra Z71 2010. The car has no issues and is ready for the user. The car has been fully renewed, repainted 4 years ago for a clean look, new and solid floor, and a shift-on-the-fly 4WD system. The car has never been modified. The car has an offer from a serious buyer, and the car inspection is 41,000. Selling soon to a serious buyer. Engine size: 5.3 Transmission: 6-speed Shift-on-the-fly 4WD Current mileage: 321,000