2010 Chevrolet Silverado 1500 4WD Work Truck Reg Cab. Black 2010 Chevrolet Silverado 1500 Work Truck 4WD 4-Speed Automatic with Overdrive Vortec 4.8L V8 SFI VVT Flex Fuel Silverado 1500 Work Truck, 2D Standard Cab, Vortec 4.8L V8 SFI VVT Flex Fuel, 4-Speed Automatic with... via AutoRevolution