2012 Automatic Gasoline mileage: 300 KM or more 4WD GMC Sierra 2012 HD, electric 4x4. Engine, gearbox, chassis, mechanicals, and AC are guaranteed. Equipped with a Trucool 40,000 BTU transmission cooler. Has a screen. Has a neat-looking aluminum bed cover. Mileage is 316, subject to increase. Body has scattered paint from previous owner. Renewed and inspected. Final price is 45, non-negotiable.