2022 Automatic Gasoline mileage: 10 KM For sale: GMC Sierra Double Cabin AT4, model 2022. Color: Black. Condition: Excellent. First down payment. 10 gears. 5.3 engine. Mileage less than 10,000 km. All maintenance at the agency. The car is stored. Asking price is 185,000 and still needs more. Contact via private message only.