Engine, 5.3L EcoTec3 V8 with Dynamic Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (355 hp [265 kW] at 5600 rpm, 383 lb-ft of torque [518 Nm] at 4100 rpm)
Rear axle, 3.23 ratio
GVWR, 7700 lbs. (3493 kg) (4WD models only and on 2WD models with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)