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Description:
4-wheel drive
Alternator, 160 amps (Standard on 1/2 ton models. Included and only available with (VYU) Snow Plow Prep Package on 4x4 3/4 ton models. Not available on 2WD 3/4 ton models.)
Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Engine, Vortec 5.3L V8 SFI FlexFuel with Active Fuel Management capable of running on unleaded or up to 85% ethanol (310 hp [231.1 kW] @ 5200 rpm, 335 lb-ft of torque [452.3 N-m] @ 4400 rpm), aluminum block (Requires 4x4 1/2 ton models.)
GVWR, 7400 lbs. (3357 kg) (Requires 4x4 1/2 ton models.)
Rear axle, 3.73 ratio
Recovery hooks, front, frame-mounted (Not available on 2WD 1/2 ton models, except when (Z71) Off-Road Suspension Package is ordered. Included and only available with (Z71) Off-Road Suspension Package.)
Steering, power
Suspension, front coil-over-shock with stabilizer bar (1/2 ton models only.)
Suspension, rear multi-link with coil springs (1/2 ton models only.)
Trailering equipment, heavy-duty, includes trailering hitch platform, 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector and (VR4) 2" trailering receiver
Transfer case, electronic Autotrac with rotary controls (Not available on 2WD models.)
Transmission, 4-speed automatic, electronically controlled with overdrive and tow/haul mode (Requires 1/2 ton models.)