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 (with gas - 320 hp [238.6 kW] @ 5400 rpm, 335 lb-ft of torque [452.2 N-m] @ 4000 rpm, with E85 ethanol - 326 hp [243.1 kW] @ 5300 rpm, 348 lb-ft of torque [469.8 N-m] @ 4400 rpm), iron block (Requires 2WD 1/2 ton models.)
Suspension Package, Premium Smooth Ride (1/2 ton models only.)
Suspension, rear multi-link with coil springs (1/2 ton models only.)
GVWR, 7200 lbs. (3266 kg) (Requires 2WD 1/2 ton models.)
Rear axle, 3.08 ratio (Requires 1/2 ton models. Not available with (K5L) Heavy-Duty Trailering Package.)
Tire carrier, lockable outside spare, winch-type mounted under frame at rear
Rear wheel drive
Alternator, 160 amps (Standard on 1/2 ton models. Included and only available with (VYU) Snow Plow Prep Package on 4WD 3/4 ton models. Not available on 2WD 3/4 ton models.)
Trailering equipment includes trailering hitch platform, 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector and (VR4) 2" trailering receiver
Steering, power
Brakes, 4-wheel antilock, 4-wheel disc, VAC power (1/2 ton models only.)
Suspension, front coil-over-shock with stabilizer bar (1/2 ton models only.)