"6-Speed Automatic HD Electronic with Overdrive and 4WD. Direct steering leads the way. Zippy runner! This attractive 2015 Chevrolet Silverado 2500HD is the rare family vehicle you have been looking to get your hands on. There aren't any used vehicles more reliable than a Chevrolet unless it's a Chevrolet with low mileage like this 2015 Silverado 2500HD."