2012 Automatic Gasoline mileage: 300 KM or more Peace, mercy, and blessings of God be upon you. Silverado 2012 for sale. Mileage: 300,000 Registration: Valid Inspection: Valid Cylinders: 8 Without 4x4 Additions: Gear cooler + 4-inch electronic muffler, and you can lower it if you wish. The body has a left fender, left bed door, and the airbags are disconnected or not replaced. I just had it fully inspected. It needs: Engine mounts Gear mount Rear shocks Brake pads half-life + tires I have mentioned everything for your peace of mind.