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

Rear axle, 3.08 ratio (Not available with (K5L) Heavy-Duty Trailering Package.)

Suspension Package, Premium Smooth Ride

Differential, heavy-duty locking rear

Transfer case, active, single-speed, electronic Autotrac with rotary controls, does not include neutral. Cannot be dinghy towed. (Requires (GU4) 3.08 rear axle ratio. Not available on 2WD models, (K5L) Heavy-Duty Trailering Package or with (Z71) Off-Road Suspension Package.)

Alternator, 160 amps

4-wheel drive

Trailering equipment, heavy-duty includes trailering hitch platform, 7-wire harness with independent fused trailering circuits mated to a 7-way sealed connector and 2" trailering receiver

Recovery hooks, 2 front, frame-mounted

GVWR, 7300 lbs. (3311 kg) (Standard on 4WD models.)

Suspension, front coil-over-shock with stabilizer bar

Suspension, rear multi-link with coil springs

Steering, power

Powertrain grade braking

Exhaust, aluminized stainless-steel muffler and tailpipe

Tools, mechanical jack and wheel wrench stored in rear quarter trim

Wheel, 17" (43.2 cm) full-size, steel spare

Tire carrier, lockable outside spare winch-type mounted under frame at rear

Fascia, front color-keyed

Fascia, rear color-keyed

Moldings, body-color bodyside

Air dam, Gray

Fog lamps, front round halogen

Glass, Solar-Ray deep-tinted (all windows except light-tinted glass on windshield and driver- and front passenger-side glass)

Wipers, front intermittent wet-arm with flat blade and pulse washers

Liftgate with liftglass, rear door system with rear-window wiper/washer

Wiper, rear intermittent with washer

Bose Sound System, premium 9-speaker system with subwoofer in center console (Not available with (AZ3) 40/20/40 split-bench front seats.)

Antenna, integral in rear quarter glass

Cup holders, in front seating area

Cup holders, in second row seating area

Cup holders, driver and passenger-side in third row side trim

Floor covering, color-keyed carpeting

Steering column, Tilt-Wheel, adjustable with brake/transmission shift interlock

Steering wheel, leather-wrapped

Driver Information Center, full-functionality included with temperature and compass

Instrumentation, analog with speedometer, odometer with trip odometer, fuel level, voltmeter, engine temperature, oil pressure, tachometer, compass and outside temperature gauge

Warning tones headlamp on, key-in-ignition, driver and passenger buckle up reminder and turn signal on

Windows, power with driver Express-Down and lockout features

Pedals, power-adjustable for accelerator and brake

Heater, rear auxiliary with rear passenger heating ducts

Defogger, rear-window electric

Theft-deterrent system, vehicle, PASS-Key III

Power outlets, 5 auxiliary, 12-volt includes 2 on the instrument panel, 1 in the cargo area, 1 inside the center console and 1 at the back of the console (Not available with (AZ3) 40/20/40 split-bench front seats.)

Door trim, side reflectors on rear doors

Armrests, driver and passenger doors, padded

Visors, driver and front passenger illuminated vanity mirrors, padded with cloth trim, extends on rod includes corner storage pockets on back of visors, Shale-colored

Assist handles, front passenger and second row outboard

Coat hooks, driver- and passenger-side rear seat and cargo area

Storage bin, behind driver-side rear quarter panel

Brakes, 4-wheel antilock, 4-wheel disc

StabiliTrak, stability control system with Proactive Roll Avoidance and Traction Control. Includes Electronic Trailer Sway Control and Hill Start Assist

Air bags, dual-stage frontal, driver and right-front passenger with Passenger Sensing System (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)

Air bags, head curtain side-impact, for all outboard seating positions with rollover sensor (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)

Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)

LATCH system (Lower Anchors and Top tethers for CHildren), for child safety seats

Rear Park Assist with audible warning

Tire Pressure Monitor System air pressure sensors in each tire with pressure display in Driver Information Center (does not apply to spare tire)