Chevrolet Salvador 2012 Used Automatic Gasoline mileage: 300 KM or more 4WD Silverado 2012 Engine changed a week ago and has a one-year warranty. The warranty covers breakage. Gearbox overhauled two years ago, has a 40,000 BTU cooler. 4WD system is intact, has not been disassembled. Body has some paintwork. Mileage: 351,000 Overall, the car is in good condition and I use it daily.