A 353 horsepower, 6.0-liter, Vortec V-8 engine powers the rugged Silverado 2500HD, which like its counterparts, comes with a wide array of customization options, including a selection of flat bed sizes and cab sizes, as well as a variety of trim levels. Front air bags and four-wheel antilock disc brakes are standard.Redesigned for the last model year, the Silverado 2500HD carries over with little to no changes.