Engine 6.2L V8 with Dynamic Fuel Management Direct Injection and Variable Valve Timing includes aluminum block construction (420 hp [313.2 kW] @ 5600 rpm 460 lb-ft of torque [623.7 Nm] @ 4100 rpm)
Rear axle 3.23 ratio
GVWR 7600 lbs. (3447 kg) (RWD models included and only available with (LM2) 3.0L Turbo Diesel engine. Standard on 4WD models with (L87) 6.2L V8 engine.)