GMC Sierra Z71 2013 Automatic Gasoline mileage: 300 KM or more 4WD I am offering a 2013 GMC Sierra, full option. The body is original from bumper to bumper. Color: Red Mileage: 380,000 Mechanics are guaranteed. It has additions: a 40,000 BTU transmission cooler. Front Profender gas shocks. And sports shocks in the rear. The inspection and insurance were completed approximately ten days ago. For sale to the highest bidder.