2020 Chevrolet Silverado 3500HD High Country, Specs, Body Styles – The actual Chevrolet Silverado 3500HD will be the automaker total-dimension, high-quality pickup truck available to being a singleton pickup. The two are based on GMC Sierra large-obligation pickup trucks. Any Chevy Silverado, large-obligation trucks variety, is actually run by way of a standard 5. litre