GMC Sierra 2018 Used Automatic Gasoline mileage: 206 KM 4WD GMC Sierra 2018, first owner, Z71, original body. Double gear and engine are guaranteed. Fitted with 17-inch rims and new Haamann tires, with original rims available. The vehicle needs consumables (gear and engine mounts, and shock absorbers). Mileage is 206,000 km, subject to increase.