GMC Sierra 2020 Automatic Gasoline mileage: 130 KM 4WD Sierra Elevation 2020 Mileage 130 thousand, can be increased. It has: Gear cooler Electronic muffler I-pipe Unscrewed chip, not programmed Heat insulation on the windshield The hood has its left edge sprayed and modified. The fenders are sprayed for color uniformity, factory spray. Light, separate sprays. Airbags and curtains deployed due to the desert. A hit on the front left chassis, welded, does not affect at all. Gear, engine, and double transmission are guaranteed, Mashallah. The car is, Mashallah, what the user desires.