Four wheel drive
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Brake lining wear indicator
Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Transfer case, single speed, electronic Autotrac with push button control (4WD models only)
Cooling, auxiliary external transmission oil cooler
Exhaust, aluminized stainless-steel muffler and tailpipe
Exhaust, single outlet
GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine without (NHT) Max Trailering Package. Requires Crew Cab or Double Cab 2WD model with (L84) 5.3L EcoTec3 V8 engine and (NHT) Max Trailering Package. Requires 4WD Double Cab models and (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Differential, heavy-duty locking rear
Rear axle, 3.23 ratio (Not available with (NHT) Max Trailering Package.)
Pickup bed
Frame, fully-boxed, hydroformed front section
Capless Fuel Fill
Trailer brake controller, integrated
Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (NHT) Max Trailering Package, (LM2) Duramax 3.0L Turbo-Diesel I6 engine or (VYU) Snow Plow Prep Package.)
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.)
Automatic Stop/Start