GMC Sierra 2011 Used Automatic Gasoline mileage: 300 KM or more 4WD Peace be upon you. The car is solid and good for the user, praise be to God. The 5.3 engine is good. The body is painted. The gearbox was overhauled two years ago and has had no complaints, thank God. Chassis is sound. It has a cat-back exhaust from Max Power company. And Bilstein front shocks. And the mileage is 335, subject to increase. The offer is 33, and the sale is near.