Chevrolet Salvador Z71 2011 Used Automatic Gasoline mileage: 385 KM or more Used Chevrolet Silverado Z71 2011 for sale Automatic transmission Gasoline Mileage: 385 Silverado. Mileage 385 Engine: 8-cylinder, 6-liter Transmission: 4-speed Engine, transmission, and differential are guaranteed. The car is solid and the original dealership catalogs are available. The body has a dent in the front, and I replaced the entire front end from a junkyard and painted it because the color was different, and I painted the rest for a clean look. The license plate is distinctive.