• Wheels, 18" (45.7 cm) forged polished aluminum
• Tires, LT265/70R18E all-season, blackwall (Includes (PYR) 18" (45.7 cm) forged polished aluminum wheels.)
• 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
• LPO, Rear wheelhouse liner
• 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
• Lamps, dual cargo area lamps
• Fog lamps, front, halogen
• Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming body color, with integrated turn signal indicators and curb-tilt
• 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 subwoofer 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, 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)
• Steering wheel, leather-wrapped and color-keyed with theft-deterrent locking feature
• 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
• 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
• 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
• Cruise control, electronic with set and resume speed
• 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 (Not included when (VYU) Snow Plow Prep Package is ordered.)
• 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.)
• 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 (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.)
• 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. For units not equipped with Navigation systems images will appear within rearview mirror.)
• Door locks, rear child security
• Tire Pressure Monitor System (does not apply to spare tire)

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)

• Denali Decor: Aluminized Stainless-Steel Muffler and Tailpipe
• Power Sunroof with Express-Open
• 20" Forged Polished Aluminum Wheels
• Off-Road Suspension Package
• 1-Piece Radiator Grille and Front Bumper Openings Cover
• Camper and 5th Wheel Trailer Wiring Provisions
• Rear mounted camera
• Brake assist system
• Selective service internet access
• Cruise control with steering wheel mounted controls
• Ventilated driver and front passenger seats
• Keyfob remote start
• Heated driver and front passenger seats
• Leather front seat upholstery
• First-row sliding and tilting glass sunroof with power 1-touch activation sunshade
• Driver seat power reclining
• lumbar support
• cushion tilt
• fore/aft control and height adjustable control
• Part-time 4WD
• Duramax 6.6L V-8 direct injection
• intercooled turbo
• diesel
• engine with 397HP
• Duramax 6.6L V-8
• Mechanical
• Dual-zone front climate control
• Immobilizer
• Vehicle tracker
• Bose speakers
• OnStar Directions & Connections vehicle integrated emergency SOS system
• Bluetooth® handsfree wireless device connectivity
• Trailer brake controller
• Trailer sway control
• External memory control
• Electronic stability control system with anti-roll
• Hill start assist
• Automatic climate control
• UltraSonic rear parking sensors
• Front fog lights
• Leather and simulated wood steering wheel
• Manual rear child safety door locks
• Heated driver and passenger side door mirrors
• Manual tilting steering wheel
• Metallic paint
• Wheel hub covers
• Manual extendable trailer mirrors
• Power adjustable pedals
• 20 x 8-inch front and rear polished forged aluminum wheels
• LT265/60SR20 AT BSW front and rear tires
• 6 airbags
• Driver front impact airbag
• Seat mounted side impact driver airbag
• Curtain first and second-row overhead airbags
• Passenger front impact airbag
• Seat mounted side impact front passenger airbag
• Auto-locking doors
• Intercooled turbo
• Allison 6-speed automatic
• Tow/Haul Mode selectable mode transmission
• Vinyl rear seat upholstery
• Rear under seat climate control ducts

• Electrical
• Cold Cranking Amps @ 0° F (Primary): 600
• Maximum Alternator Capacity (amps): 125
• Cooling System
• Total Cooling System Capacity (qts): 25.4
• Total Cooling System Capacity (qts): 16.4
• Weight Information
• Gross Axle Wt Rating - Front (lbs): 4400
• Gross Axle Wt Rating - Rear (lbs): 6200
• Curb Weight - Front (lbs): 3872
• Curb Weight - Rear (lbs): 2690
• Gross Vehicle Weight Rating Cap (lbs): 9500
• Gross Combined Wt Rating (lbs): 29200
• 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): 13000
• Wt Distributing Hitch - Max Trailer Wt. (lbs): 9300
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1950
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1395
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 14700
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4175
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 2350
• Maximum Trailering Capacity (lbs): - TBD -
• Maximum Trailering Capacity (lbs): 13700
• Suspension
• Suspension Type - Front: Independent
• Suspension Type - Rear: Multi-Leaf
• Spring Capacity - Front (lbs): 5200
• Spring Capacity - Front (lbs): 4800
• Spring Capacity - Rear (lbs): 6200
• Axle Type - Front: Independent
• Axle Type - Rear: Semi Floating
• Axle Capacity - Front (lbs): 5200
• Axle Capacity - Front (lbs): 4800
• Axle Capacity - Rear (lbs): 6200
• Axle Ratio (:1) - Front: 3.73
• Axle Ratio (:1) - Rear: 3.73
• Shock Absorber Diameter - Front (mm): 35
• Shock Absorber Diameter - Rear (mm): 35
• Stabilizer Bar Diameter - Front (in): 1.31
• 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): 13.8 x 1.57
• Rear Brake Rotor Diam x Thickness (in): 14.17 x 1.34
• Tires
• Front Tire Order Code: QWF
• Rear Tire Order Code: QWF
• Front Tire Size: LT265/70R18E
• Rear Tire Size: LT265/70R18E
• Front Tire Capacity (lbs): 2860
• Rear Tire Capacity (lbs): 3185
• 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): 18 x 8.0
• Rear Wheel Size (in): 18 x 8.0
• Spare Wheel Size (in): 18 x 8.0
• Front Wheel Material: Aluminum
• Rear Wheel Material: Aluminum
• Spare Wheel Material: Steel
• Steering
• Steering Type: Pwr
• Steering Ratio (:1), On Center: 24
• Steering Ratio (:1), At Lock: 3.57
• 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): 153.7
• Length, Overall w/o rear bumper (in): 240.2
• Width, Max w/o mirrors (in): 80.0
• Height, Overall (in): 78.1
• 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): 41.6
• 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): 9.8
• Ground Clearance, Rear (in): 8.2
• Cargo Area Dimensions
• Cargo Box Length @ Floor (in): 78.8
• 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): 60.7
• Ext'd Cab Cargo Volume (ft³): - TBD -
• Interior Dimensions
• Passenger Capacity: 6
• 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 2500HD
• Body Style: Crew Cab 6.5' Fleetside
• Body Code: E63
• Emissions
• Tons/yr of CO2 Emissions @ 15K mi/year: - TBD -