GMC Sierra Z71 2018 Automatic Gasoline mileage: 236 KM 4WD Double cabin Sierra 2018, semi-full option, for sale. Mileage: 236,000 km. Engine and transmission are sound. The engine was opened but has no issues and is running 100%. Transmission is original. Airbags are guaranteed. Chassis is guaranteed. Body: Right rear fender painted with very little putty. Bed door painted without putty. Left front fender painted without putty. Additions: Bilstein shocks. King springs. Front end protection. N-Fab running boards. For offers.