2012 GMC Sierra 1500 AWD Crew Cab 143.5" Denali

Engine, Vortec 6.2L Variable Valve Timing V8 SFI E85- compatible, FlexFuel capable of running on unleaded or up to 85% ethanol (403 hp [300.5 kW] @ 5700 rpm, 417 lb-ft of torque [565.4 N-m] @ 4300 rpm)

Rear axle, 3.42 ratio (Refer to Engine/Axle chart for availability.)

Suspension Package, High-Performance includes 36mm front stabilizer bar

GVWR, 7000 lbs. (3175 kg) (Requires TK10543 models.)

Heavy Duty Cooling Package, heavy-duty includes (KC4) external engine oil cooler, (KNP) auxiliary external transmission oil cooler, electric fan and heavy-duty radiator

Differential, heavy-duty automatic locking rear

All wheel drive

Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator tank

Cooling, auxiliary external transmission oil cooler heavy-duty air-to-oil

Battery, heavy-duty 600 cold-cranking amps maintenance-free with rundown protection and retained accessory power

Alternator, 145 amps

Frame, fully-boxed, hydroformed front section

Trailering Package, heavy-duty includes trailering hitch platform, 7-wire harness (harness includes wires for: park lamps, backup lamps, right turn, left turn, electric brake lead, battery and ground) with independent fused trailering circuits mated to a 7-way sealed connector and instrument panel jumper wiring harness for electric trailer brake controller

Skid Plate Package includes front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case, frame-mounted shields

Pickup box, Wideside

Suspension, front coil-over-shock with stabilizer bar

Suspension, rear 2-stage multi-leaf springs, semi-elliptic

Steering, power

Brakes, 4-wheel antilock, 4-wheel disc

Exhaust, aluminized stainless-steel muffler and tailpipe

Tools, mechanical jack and wheel wrench located in back of cab

Wheel, 17" x 7.5" (43.2 cm x 19.1 cm) steel spare

LPO, Rear wheelhouse liner

Tire, spare P265/70R17 blackwall includes steel wheel located at rear underbody of vehicle

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

Spare tire lock keyed cylinder lock that utilizes same key as ignition and door

Recovery hooks, front, Black

Bumper, front body-color

Bumper, rear body-color, step-style with pad

Air dam, color-keyed

Moldings, body-color bodyside with chrome insert

Grille, chrome surround with chrome center, Denali-exclusive

Headlamps, dual halogen composite with automatic exterior lamp control and flash-to-pass feature

Fog lamps, front, halogen

Lamps, dual cargo area lamps

Mirrors, outside heated power-adjustable, power-folding and driver-side autodimming, body color, with integrated turn signal indicators and curb-tilt

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

Wipers, front intermittent wet-arm with pulse washers

Tailgate protection, top of tailgate protection cap

Tailgate, locking

Tailgate, EZ-Lift

Door handles, chrome

SiriusXM Satellite Radio is standard on nearly all 2012 GM models. Enjoy a 3-month trial to the 'XM Select' package, with over 170 channels including commercial-free music, all your favorite sports, exclusive talk and entertainment. And now add premium channels to your trial at no-cost. Welcome to the world of satellite radio. (Not available with (UYS) AM/FM stereo with MP3 compatible CD/DVD player and navigation or (UE0) OnStar, delete. Requires a subscription sold separately by SiriusXM after the trial period. If you decide to continue your service at the end of your subscription, service will automatically renew and bill, at the rates in effect at the time of renewal, until you call SiriusXM at 1-866-635-2349 to cancel. See our Customer Agreement for complete terms at www.siriusxm.com. Available only to those at least 18 and older in the 48 contiguous USA and D.C.)

Audio system feature, Bose premium speaker system with sub-woofer in center console

Bluetooth for phone personal cell phone connectivity to vehicle audio system (Requires OnStar hardware (UE1), but subscription to OnStar services not required for operation.)

Seat, rear 60/40 folding bench (folds up), 3-passenger, folding (includes child seat top tether anchor)

Steering wheel, heated, leather-wrapped and color-keyed with theft-deterrent locking feature

Steering wheel controls mounted audio and Driver Information Center controls which provides access to enhanced Driver Information Center features and information

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

Driver Information Center with odometer, trip odometer and message center (monitors numerous systems depending on vehicle equipment level including low fuel, turn signal "on", transmission temperature and oil change notification)

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

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

Windows, power with driver and front passenger Express-Down

Pedals, power-adjustable for accelerator and brake

Universal Home Remote

Cruise control, electronic with set and resume speed

Air conditioning, dual-zone automatic climate control with individual climate settings for driver and right-front passenger

Defogger, rear-window electric (Not available with (A48) power sliding rear window.)

Cup holders, in console and rear

Headliner, Opal Gray-colored cloth with matching retainer moldings

Visors, driver and front passenger illuminated vanity mirrors padded with cloth trim, Opal-Gray-colored

Assist handles, front passenger and rear outboard

Lighting, interior with dome and reading lights, illuminated entry feature and blue backlit instrument panel switches

Coat hooks, driver- and passenger-side rear

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist

Daytime Running Lamps with automatic exterior lamp control

Air bags, frontal, driver and right-front passenger with Passenger Sensing System (Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)

Air bags, head curtain side-impact, front and rear outboard seating positions with rollover sensor (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear seat outboard occupants on the near side of certain side-impact collisions. Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)

Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)

Rear Vision Camera (Note: images appear on Navigation screen for units equipped with (UYS) AM/FM stereo with MP3 compatible CD/DVD player and navigation). (Requires (UUL) AM/FM stereo with MP3 compatible CD player and navigation or (UUK) AM/FM stereo with MP3 compatible CD/DVD player and navigation.)

Rear Parking Assist, Ultrasonic with audible warning

Door locks, rear child security.