Rear axle, 3.42 ratio (Included with (L84) 5.3L EcoTec3 V8 engine and (NHT) Max Trailering Package.)
Durabed, pickup bed
GVWR, 7000 lbs. (3175 kg) (Requires Crew Cab or Double Cab 4WD model and (L3B) 2.7L Turbo engine.)
Automatic Stop/Start
Transfer case, single speed electronic Autotrac with rotary dial control (4WD models only)
Four wheel drive
Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L3B) 2.7L Turbo engine or (L84) 5.3L EcoTec3 V8 engine.)
Alternator, 220 amps (Included and only available with (L3B) 2.7L Turbo engine, (LM2) Duramax 3.0L Turbo-Diesel I6 engine, (VYU) Snow Plow Prep Package or (NHT) Max Trailering Package.)
Frame, fully-boxed, hydroformed front section
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Brake lining wear indicator
Capless Fuel Fill
Exhaust, single outlet