• Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode

• 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

• Transfer case, AWD, electronic automatic system (Requires TK10543 models.)

• 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

• 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

• Wheels, 4 - 20" x 8.5" (50.8 cm x 21.6 cm) chrome aluminum (Spare tire and wheel will be standard 17" (43.2 cm).)

• Tires, P275/55R20 touring, blackwall

• 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, frame-mounted

• Bumper, front body-color

• Bumper, rear body-color

• 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

• Audio system, AM/FM stereo with MP3 compatible 6-disc CD player seek-and-scan, digital clock, auto-tone control, Radio Data System (RDS), automatic volume, TheftLock, auxiliary input jack, USB port and 36 cross-band presets

• XM Radio is standard on nearly all 2011 GM models and includes 3 months of trial service. Get over 170 channels, including: commercial-free music, sports, news, talk, entertainment, comedy, family and kids' channels, and much more. With XM's incredible range of programming, everything worth listening to is on XM (Not available with (UUL) AM/FM stereo with MP3 compatible CD player and navigation, (UUK) AM/FM stereo with MP3 compatible CD/DVD player and navigation or (UE0) OnStar, delete. Requires a subscription sold separately by XM after the first 90 days. Available only in the 48 contiguous United States and District of Columbia. Visit gm.xmradio.com for details.)

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

• Bluetooth for phone personal cell phone connectivity to vehicle audio system

• Seats, front bucket includes 12-way power driver and front passenger seat adjusters, 2-way power lumbar control, heated seat cushions and seatbacks, 2-position driver memory, adjustable outboard head restraints, floor console, dual inboard armrests and storage pockets

• Nuance leather-appointed

• Seat adjuster, driver 12-way power

• Seat adjuster, front passenger 12-way power

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

• Console, floor with CD carrier, storage bin, rear cup holders, rear powerpoints, rear seat HVAC air duct and outlets and rear floor lighting

• Floor covering, color-keyed carpeting includes rear floor mats

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

• Steering wheel, 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

• Door locks, power

• Pedals, power-adjustable for accelerator and brake

• Remote vehicle starter system includes Remote Keyless Entry with 2 transmitters, panic button and content theft alarm (Remote Keyless Entry does not lock/unlock tailgate.)

• 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

• Power outlets 2 auxiliary instrument panel-mounted with covers, 12-volt

• Mirror, inside rearview auto-dimming

• 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, includes electronic trailer sway control, intelligent brake assist and hill start assist

• Daytime Running Lamps with automatic exterior lamp control

• OnStar, 6 months of Directions and Connections plan includes Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance including Remote Ignition Block, Remote Door Unlock (requires power locks), Turn-by-Turn Navigation with Destination Download (requires navigation radio) and OnStar eNav (where available), OnStar Vehicle Diagnostics, Roadside Assistance, Remote Horn and Lights, and Hands Free Calling. (Not available with a ship-to of Puerto Rico or the Virgin Islands. Visit onstar.com for details and system limitations.)

• Automatic Crash Response

• Stolen Vehicle Assistance

• OnStar Turn-by-Turn Navigation

• Rear Parking Assist, Ultrasonic with audible warning

• Door locks, rear child security. (Crew Cab models only.)

• Tire Pressure Monitor System (does not apply to spare tire)