Engine, Vortec 4.8L V8 SFI (285 hp [212.5 kW] at 5400 rpm, 295 lb-ft of torque [398.3 N-m] at 4600 rpm) (Includes external engine oil cooler. Reference the Engine/Axle page for availability.)
Rear axle, 3.42 ratio (Required with (L20) Vortec 4.8L V8 SFI engine or (L96) Vortec 6.0L V8 SFI FlexFuel. Reference the Engine/Axle page for availability.)