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
Suspension, Magnetic Ride Control
GVWR, 7500 lbs. (3402 kg) (Standard on 4WD models with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Standard on 2WD models with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)