The 1500HD Classic comes with a Vortec 6.0L V8 engine that creates 300hp. Power is controlled by a Hydra-Matic four-speed automatic transmission with Tow/Haul mode. It comes standard with power windows, locks, mirrors, remote keyless entry, and an auto-dimming inside rearview mirror. Available trims include: 1LT, 2LT, and 3LT. Two- or four-wheel drive is an option.Chevrolet Silverado Classics are a continuation of the previous model Silverado.