Z71 2015 Used Automatic Gasoline mileage: 300 KM or more 4WD For sale GMC Sierra, mileage 324, model 15. Only the number one armrest has been changed, and consumable parts have been changed. The body is original, except for minor dents shown in the pictures. Additions: Gear cooler 40k Hatch light switch The car is sputtering from the previous owner and not backfiring. Please do not undervalue the car, and only serious buyers should contact.