Z71 2012 Automatic Gasoline mileage: 300 KM or more 4WD GMC Sierra 2012 white The car is well-maintained. Mileage: 350,000 Engine is sound. Transmission is sound. Body has a few minor paint touch-ups. 40,000 BTU Trucool transmission cooler. I've had the car for five years with light use. It has never had any issues, praise be to God. Replaced consumables worth 2000. The car has no modifications. This car is a gem for the buyer.