GMC Sierra Z71 2012 Automatic Gasoline mileage: 1 KM 4WD For sale GMC Sierra, full option, driven 470. The car is solid, good, and its engines are clean. The car has had its lifters repaired, 4-cylinder deactivated, and the torque converter repaired. The gearbox and chassis are guaranteed, and its fenders are guaranteed. The car has been repainted on the beltline. The car has additions: a bed cover, a fishing rod light, a ceiling light switch, and Kenwood wiring. The car has not been reprogrammed; it has its original factory programming. The car has a good stance and has Shwahin tires.