• Pickup box, Wideside
• Air cleaner, high-capacity
• Transfer case, electronic shift with rotary dial controls (Requires 4WD models)
• Differential, heavy-duty automatic locking rear
• Four wheel drive
• Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
• Alternator, 125 amps
• Trailer brake controller, integrated
• Frame, fully-boxed, hydroformed front section
• Skid Plate Package, frame-mounted shields includes front underbody shield starting behind front bumper and running to first cross-member, protecting front underbody, oil pan, differential case and transfer case
• Suspension, front independent, torsion bar
• Suspension, rear 4+1+2 multi-leaf springs for single rear wheel and 3+1+2 multi-leaf springs for dual rear wheel
• Steering, power
• Brakes, 4-wheel antilock, 4-wheel disc (Standard on T*30743 models only.)
• Exhaust aluminized stainless-steel muffler and tailpipe

• Wheels, 18" (45.7 cm) forged polished aluminum (Standard on T*30743 models only.)
• Tires, LT265/70R18E all-season, blackwall (Standard on T*30743 models only. Includes (PYR) 18" (45.7 cm) forged polished aluminum wheels.)
• Tire, spare LT265/70R18E all-terrain includes steel spare wheel (spare wheel will not cosmetically match the other 6 wheels) (Standard on T*30743 models only.)
• Wheel, 18" x 8" (43.2 cm x 19.1 cm) full-size, steel spare (Standard on T*30743 models only.)
• Tire carrier, outside spare, winch-type mounted under frame at rear
• Spare tire lock keyed cylinder lock that utilizes same key as ignition and door
• LPO, Rear wheelhouse liner (Not included on T*30943 models)
• Air dam, color-keyed
• Bumper, front body-color
• Bumper, rear body-color, step-style with pad
• Moldings, bodyside, body-colored
• 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
• Lamps, Smoked Amber roof marker
• Mirrors, outside heated power-adjustable vertical camper manual-folding and extension, Black includes 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 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 10-way power driver and front passenger seat adjusters including 2-way power lumbar control, heated seat cushions and seatbacks, 2-position driver memory, adjustable outboard head restraints, floor console and storage pockets
• Recovery hooks, front, frame-mounted
• Seat trim, Perforated nuance leather-appointed seats
• 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, 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
• Pedals, power-adjustable for accelerator and brake
• Cruise control, electronic with set and resume speed
• 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
• 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 (Standard on T*30743 models only. Not available on T*30943 dually models.)
• 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. See the vehicle's Owners 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
• 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
• Nuance Leather-Appointed Seat Trim
• Driver 12-Way Power Seat Adjuster
• AM/FM Stereo w/MP3 Compatible 6-Disc CD
• XM Radio
• Bose Premium Speaker System
• Heavy-Duty Handling/Trailering Suspension Package
• Front Passenger 12-Way Power Seat Adjuster
• USB Port
• Aluminized Stainless-Steel Muffler & Tailpipe
• 4-Wheel Disc Brakes
• Emergency communication system: OnStar Directions & Connections
• AM/FM radio: XM
• Compass
• 7 Speakers
• Auto-dimming Rear-View mirror
• Front beverage holders
• 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
• Leather steering wheel
• Illuminated entry
• 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
• 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): 4800
• Gross Axle Wt Rating - Rear (lbs): 7050
• Curb Weight - Front (lbs): 4513
• Curb Weight - Front (lbs): 3803
• Curb Weight - Rear (lbs): 2983
• Curb Weight - Rear (lbs): 2931
• Gross Vehicle Weight Rating Cap (lbs): 10800
• 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): 9100
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1950
• Wt Distributing Hitch - Max Tongue Wt. (lbs): 1365
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 16800
• Fifth Wheel Hitch - Max Trailer Wt. (lbs): 9100
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 4200
• Fifth Wheel Hitch - Max Tongue Wt. (lbs): 2275
• Maximum Trailering Capacity (lbs): 17100
• Maximum Trailering Capacity (lbs): 13800
• Suspension
• Suspension Type - Front: Independent
• Suspension Type - Rear: Multi-Leaf
• Spring Capacity - Front (lbs): 5600
• Spring Capacity - Front (lbs): 4800
• Spring Capacity - Rear (lbs): 7050
• Axle Type - Front: Independent
• Axle Type - Rear: Full-Floating
• Axle Capacity - Front (lbs): 5600
• Axle Capacity - Front (lbs): 4800
• Axle Capacity - Rear (lbs): 7050
• 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): 14.17 x 1.34
• Tires
• Front Tire Order Code: QWF
• Rear Tire Order Code: QWF
• Spare Tire Order Code: ZGM
• Front Tire Size: LT265/70R18E
• Rear Tire Size: LT265/70R18E
• Spare Tire Size: LT265/70R18E
• Front Tire Capacity (lbs): 2860
• Rear Tire Capacity (lbs): 3525
• 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): 17 x - TBD -
• Front Wheel Material: Aluminum
• Rear Wheel Material: Aluminum
• 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): 54.8
• 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): 77.4
• Overhang, Front (in): 38.8
• Overhang, Rear w/o bumper (in): 47.7
• 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): 10.0
• Ground Clearance, Rear (in): 8.4
• 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: 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