• Wheels, 17" (45.7 cm) forged polished aluminum
• Tires, LT235/80R17E all-season highway, blackwall (Standard on T*30943 models only.)
• Pickup box, Wideside
• Tire, spare LT235/80R17E highway includes steel spare wheel (spare wheel will not cosmetically match the other 6 wheels) (Standard on T*30943 models only.)
• 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, front body-color
• Bumper, rear body-color, step-style with pad
• 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, Smoked Amber roof marker (Standard with (C7J) 13,000 lbs. GVWR (dual rear wheel) only. With single rear wheel GVWR not available with (YF5) California state emissions requirements.)
• Lamps, dual cargo area lamps
• Mirrors, outside heated power-adjustable vertical camper manual-folding and extension, Black integrated turn signal indicators consisting of 50 square inch flat mirror surface positioned over a 20 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated or power adjustable)
• 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 pulse washers
• Door handles, chrome
• Tailgate protection top of tailgate protection cap
• Tailgate, locking
• Tailgate, EZ-Lift

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

• 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
• Seat trim, Perforated nuance leather-appointed seats
• Seats, heated and cooled, seat cushion and seat back for driver and front passenger with 4-way lumbar
• 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 and rear powerpoints
• Floor covering, color-keyed carpeting includes rear floor mats
• Floor mats, color-keyed carpeted first and second row, removable
• 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
• 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
• 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.)
• Pedals, power-adjustable for accelerator and brake
• Cruise control, electronic with set and resume speed
• Universal Home Remote
• 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 with rear camera display (Included and only available with (UVC) Rear Vision Camera when ordered with (UUN) or (UUJ) audio systems. Not included when (UYS) audio system with navigation, AM/FM stereo with CD player and MP3 playback is ordered.)
• 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

• Daytime Running Lamps with automatic exterior lamp control
• Air bags, frontal, driver and right-front passenger (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.)
• Automatic Crash Response
• Stolen Vehicle Assistance
• OnStar Turn-by-Turn Navigation
• Rear Parking Assist, Ultrasonic with audible warning
• 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).
• Door locks, rear child security

ENGINE, DURAMAX 6.6L TURBO DIESEL V8, B20-DIESEL COMPATIBLE

• (397 hp [296.0 kW] @ 3000 rpm
• 765 lb-ft of torque [1032.8 N-m] @ 1600 rpm)

• 3.73 Rear Axle Ratio
• Heated Front Bucket Seats
• Perforated Nuance Leather-Appointed Seat Trim
• Driver 12-Way Power Seat Adjuster
• AM/FM Stereo w/MP3 Compatible 6-Disc CD
• SIRIUSXM Satellite Radio
• Bose Premium Speaker System
• Heavy-Duty Handling/Trailering Suspension Package
• Front Passenger 12-Way Power Seat Adjuster
• Aluminized Stainless-Steel Muffler & Tailpipe
• 4-Wheel Disc Brakes
• Emergency communication system: OnStar Directions & Connections
• Exterior Parking Camera Rear
• AM/FM radio: SiriusXM
• Compass
• 7 Speakers
• Auto-dimming Rear-View mirror
• Front beverage holders
• Ventilated front seats
• Variably intermittent wipers
• Turn signal indicator mirrors
• Trip computer
• Tilt steering wheel
• Steering wheel mounted audio controls
• Split folding rear seat
• Speed control
• Security system
• Remote keyless entry
• Rear window defroster
• Rear step bumper
• Rear seat center armrest
• Rear reading lights
• Radio data system
• Power windows
• Power steering
• Power passenger seat
• Power driver seat
• Power door mirrors
• Pedal memory
• Passenger vanity mirror
• Passenger door bin
• Panic alarm
• Overhead console
• Outside temperature display
• Memory seat
• Illuminated entry
• Heated steering wheel
• Heated front seats
• Heated door mirrors
• Garage door transmitter
• Fully automatic headlights
• Front wheel independent suspension
• Front reading lights
• Front fog lights
• Front dual zone A/C
• Front anti-roll bar
• Dual front impact airbags
• Driver vanity mirror
• Driver door bin
• Delay-off headlights
• CD player
• Bumpers: body-color
• Bodyside moldings
• Automatic temperature control
• Alloy wheels
• Adjustable pedals
• ABS brakes
• Voltmeter
• Tachometer
• Front Center Armrest
• Front Bucket Seats
• Air Conditioning

• Electrical
• Cold Cranking Amps @ 0° F (Primary): 600
• Maximum Alternator Capacity (amps): 125
• Cooling System
• Total Cooling System Capacity (qts): - TBD -
• Weight Information
• Gross Axle Wt Rating - Front (lbs): 5600
• Gross Axle Wt Rating - Front (lbs): 4800
• Gross Axle Wt Rating - Rear (lbs): 9375
• Curb Weight - Front (lbs): 4647
• Curb Weight - Front (lbs): 3928
• Curb Weight - Rear (lbs): 3403
• Curb Weight - Rear (lbs): 3339
• Gross Vehicle Weight Rating Cap (lbs): 13000
• Gross Combined Wt Rating (lbs): 16000
• Trailering
• Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
• Dead Weight Hitch - Max Tongue Wt. (lbs): 500
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 18000
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 8700
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 2700
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1305
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 22400
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 8700
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 5600
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 2175
• Maximum Trailering Capacity (lbs): 22400
• Suspension
• Suspension Type - Front: Independent
• Suspension Type - Rear: Multi-Leaf
• Spring Capacity - Front (lbs): 5600
• Spring Capacity - Front (lbs): 4800
• Spring Capacity - Rear (lbs): 9375
• Axle Type - Front: Independent
• Axle Type - Rear: Full-Floating
• Axle Capacity - Front (lbs): 5600
• Axle Capacity - Front (lbs): 4800
• Axle Capacity - Rear (lbs): 9375
• Axle Ratio (:1) - Rear: 3.73
• Shock Absorber Diameter - Front (mm): 35
• Shock Absorber Diameter - Rear (mm): 35
• Stabilizer Bar Diameter - Front (in): 1.32
• Brakes
• Brake Type: Pwr
• Brake ABS System: 4-Wheel
• Disc - Front (Yes or ): Yes
• Disc - Rear (Yes or ): Yes
• Front Brake Rotor Diam x Thickness (in): 13.98 x 1.57
• Rear Brake Rotor Diam x Thickness (in): 13.98 x 1.57
• Tires
• Front Tire Order Code: QQO
• Rear Tire Order Code: QQO
• Front Tire Size: LT235/80R17E
• Rear Tire Size: LT235/80R17E
• Front Tire Capacity (lbs): 2805
• Front Tire Capacity (lbs): 2515
• Rear Tire Capacity (lbs): 2470
• Spare Tire Capacity (lbs): - TBD -
• Revolutions/Mile @ 45 mph - Front: - TBD -
• Revolutions/Mile @ 45 mph - Rear: - TBD -
• Revolutions/Mile @ 45 mph - Spare: - TBD -
• Wheels
• Front Wheel Size (in): 17 x 6.5
• Rear Wheel Size (in): 17 x 6.5
• Spare Wheel Size (in): 17 x 6.5
• Front Wheel Material: Steel
• Rear Wheel Material: Steel
• Spare Wheel Material: Steel
• Steering
• Steering Type: Pwr Recirculating Ball
• Steering Ratio (:1), On Center: 16.0
• Steering Ratio (:1), At Lock: - TBD -
• Turning Diameter - Curb to Curb (ft): 50.5
• Turning Diameter - Wall to Wall (ft): - TBD -
• Frame
• Frame Type: Hydroformed
• Fuel Tank
• Fuel Tank Capacity, Approx (gal): 36
• Fuel Tank Location: - TBD -
• Exterior Dimensions
• Wheelbase (in): 167.7
• Length, Overall w/o rear bumper (in): 259.1
• Width, Max w/o mirrors (in): 95.9
• Height, Overall (in): 77.9
• Overhang, Front (in): 38.8
• Overhang, Rear w/o bumper (in): 52.6
• Front Bumper to Back of Cab (in): 150.9
• Cab to Axle (in): 56.0
• Cab to End of Frame (in): - TBD -
• Ground to Top of Load Floor (in): 37.9
• Ground to Top of Frame (in): - TBD -
• Frame Width, Rear (in): - TBD -
• Ground Clearance, Front (in): 9.6
• Ground Clearance, Rear (in): 8.4
• Cargo Area Dimensions
• Cargo Box Length @ Floor (in): 97.8
• Cargo Box Width @ Top, Rear (in): - TBD -
• Cargo Box Width @ Floor (in): 62.5
• Cargo Box Width @ Wheelhousings (in): 50.6
• Cargo Box (Area) Height (in): 21.0
• Tailgate Width (in): 61.6
• Cargo Volume (ft³): 75.5
• Ext'd Cab Cargo Volume (ft³): - TBD -
• Interior Dimensions
• Passenger Capacity: 5
• Front Head Room (in): 41.3
• Front Leg Room (in): 41.3
• Front Shoulder Room (in): 65.2
• Front Hip Room (in): 60.3
• Second Head Room (in): 40.6
• Second Leg Room (in): 39.0
• Second Shoulder Room (in): 65.2
• Second Hip Room (in): 65.5
• Summary
• Vehicle Name: GMC Sierra 3500HD
• Body Style: Crew Cab 8' Fleetside
• Body Code: E63