2008 GMC Sierra Denali AWD Crew Cab 143.5"

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

Sierra Denali Package

Engine, Vortec high-output 6.2L Variable Valve Timing V8 SFI (403 hp [300.5 kW] @ 5700 rpm, 417 lb-ft of torque [565.4 N-m] @ 4300 rpm)

Rear axle, 3.42 ratio

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

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

Differential, heavy-duty automatic locking rear

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

Alternator, 145 amps

Pickup box, Wideside

Frame, hydroformed

Trailering equipment, 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, instrument panel jumper wiring harness for electric trailer brake controller and 1-way sealed connector for center high-mounted stop/brake lamp

Recovery hooks, front, frame-mounted

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

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

Suspension, front coil-over-shock with stabilizer bar

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

Steering, power

Exhaust, aluminized stainless-steel muffler and tailpipe with high-polished exhaust tip

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

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

Wheel, 17

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

Tire carrier lock, keyed cylinder lock that utilizes same key as ignition and door

Air dam, color-keyed

Bumper, rear painted, step-style with pad

Grille, chrome surround with chrome center, Denali-exclusive

Moldings, chrome bodyside

Fog lamps, front, halogen

Lamps, dual cargo area lamps

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

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

Windshield washer fluid system, heated

Tailgate protection, top of tailgate protection cap

Door handles, chrome

Tailgate, EZ-Lift

Tailgate, locking

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

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

XM Satellite Radio. With a wide variety of programming, XM has something to excite any driver. Whether you want to be entertained or informed, to laugh, think, or sing, XM has the perfect channel for you - coast-to-coast, and in digital-quality sound. 3 trial months - no obligation (Available in the 48 contiguous United States. Required $12.95 monthly subscription sold separately after 3 trial months. All fees and programming subject to change Subscription subject to customer agreement. For more information, visit gm.xmradio.com.)

Cup holders, in console and rear

Floor mats, color-keyed carpeted first and second row, removable

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

Driver Information Center with odometer, trip odometer and message center (monitors numerous systems depending on vehicle equipment level including low fuel, turn signal

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

Cruise control, electronic with set and resume speed

Windows, power with driver and front passenger Express-Down

Universal Home Remote

Pedals, power-adjustable for accelerator and brake

Rear Parking Assist, Ultrasonic with rearview LED display and audible warning

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.)

Mirror, inside rearview auto-dimming with 8-point compass and outside temperature display

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

Brakes, 4-wheel antilock, 4-wheel disc

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

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

Tire Pressure Monitoring System (does not apply to spare tire)

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 and the Passenger Sensing System, children are safer when properly secured in a rear seat. Never place a rear-facing infant restraint in the front seat of any vehicle equipped with an active frontal air bag. See the vehicles 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 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. See the vehicle's Owner's Manual and child safety seat instructions for more safety information.)