Four wheel drive
Differential, heavy-duty locking rear
Frame, fully-boxed, hydroformed front section
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Exhaust, aluminized stainless-steel muffler and tailpipe
Rear axle, 3.23 ratio
Capless Fuel Fill
Trailer brake controller, integrated
Automatic Stop/Start
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Recovery hooks, chrome
Pickup bed
GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
Air filter, high-capacity
Hill Descent Control (Requires 4WD model.)
Suspension, Adaptive Ride Control
Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine, (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Exhaust, dual with premium tips
Brake lining wear indicator
Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)