No longer available in extended cab trim levels, the Chevrolet Silverado 3500HD is a full-size pickup truck with two available engines. Engines consist of a standard FlexFuel 6.0-liter V6 engine (322 hp) and optional turbocharged 6.6-liter V8 (397 hp). RWD or 4WD can be paired to a 6-speed automatic transmission. Features include a towing capacity of 17,400 lbs, heated/cooled seats, USB drive, steering wheel mounted controls, rear sensors, navigation, and satellite radio. Safety is comprised of StabiliTrak, electronic stability control (ESC), advanced airbags, hill start assist, trailer sway control, and tire pressure monitoring (TPMS). The Silverado 3500HD is backed by a 3-year/36,000-mile warranty.