GMC Sierra Z71 2012 Automatic Gasoline mileage: 300 KM or more 4WD GMC Sierra 2012 White Mileage 350,000 Engine is sound Gearbox is sound Chassis is sound Body: Right rear fender repainted and a small spot smaller than a palm on the tailgate. The vehicle has been well-maintained. 40,000 BTU transmission cooler from Trucool. I've had the vehicle for five years with little use. It hasn't had any issues, praise be to God. Replaced and organized consumables worth 2000. The vehicle has no modifications. The vehicle is a great find for a buyer.