Z71 2007 Automatic Gasoline mileage: 271 KM 4WD For sale: Sierra, full option, 6 liter, 8 cylinder, automatic transmission, selectable 4WD. The car has been completely renewed from top to bottom: suspension, control arms, tires, brakes, radiator, all new fluids. Black leather interior, power windows. In short, the car, thank God, has no issues. Asking 35,000. Serious buyers only. Price is negotiable. Open to trade.