2012 GMC Sierra 1500 Denali

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.

MECHANICAL (20)

• 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
• 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

EXTERIOR (21)

• 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

ENTERTAINMENT (2)

• 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.)

INTERIOR (19)

• 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