Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Interior Colour
Brown
Transmission
Automatic
Drivetrain
4×4
Stock
45H65-4882B
Fuel Type
Diesel
Trim Details
Crew Cab Standard Box 4-Wheel Drive Denali
Description
Heavy duty strength meets premium Denali comfort in the 2012 GMC Sierra 2500HD Denali. Built to tow, haul, and work hard, this truck delivers serious capability while surrounding you with upscale features and bold styling.
On the outside, the Sierra 2500HD Denali stands out with its signature chrome Denali grille, sculpted hood, large alloy wheels, and muscular body lines. It has the commanding look you want in a heavy duty pickup, with the premium details that set Denali apart.
Under the hood, the 6.6L Duramax Turbo Diesel V8 delivers massive torque and confident towing power, paired with the respected Allison automatic transmission for smooth, dependable shifting under load. The heavy duty suspension and strong frame make this truck ready for trailers, equipment, and demanding work, while available four wheel drive adds traction and control when conditions get rough.
Inside, the Denali trim brings real comfort to the job. Leather seating, heated and ventilated front seats, a heated steering wheel, and a power adjustable driver’s seat create a refined cabin built for long drives and hard days. The spacious interior offers excellent room for passengers, and smart storage keeps gear organized.
Technology and convenience features include navigation, Bluetooth connectivity, premium Bose audio, steering wheel mounted controls, and a driver information center that keeps important vehicle data easy to access.
Safety features help support confidence when towing or hauling. Stability control, trailer sway control, rear park assist, a rear view camera, and multiple airbags all work together to enhance awareness and control.
Powerful, refined, and built to perform, the 2012 GMC Sierra 2500HD Denali delivers heavy duty truck capability with unmistakable luxury. Book your test drive with Bannister GP Honda today!
Packages & Options
Standard Equipment
Technical Specifications
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AM/FM Stereo
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Auxiliary Audio Input
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CD Changer
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CD Player
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MP3 Player
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Requires Subscription
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Satellite Radio
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Premium Sound System
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Bluetooth Connection
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Aluminum Wheels
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Tires - Front All-Season
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Tires - Rear All-Season
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Tire carrier, lockable outside spare, winch-type mounted under frame at rear
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Bumper, front body-color
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Bumper, rear body-color, step-style with pad
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Air dam, color-keyed
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Moldings, body-color bodyside with chrome insert
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Grille, chrome surround with chrome center, Denali-exclusive
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Automatic Headlights
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Lamps, dual cargo area lamps
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Fog Lamps
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Heated Mirrors
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Integrated Turn Signal Mirrors
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Power Folding Mirrors
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Power Mirror(s)
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Privacy Glass
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Intermittent Wipers
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Door handles, chrome
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Tailgate protection top of tailgate protection cap
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Tailgate, locking
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Tailgate, EZ-Lift
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Bucket Seats
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Driver Adjustable Lumbar
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Heated Front Seat(s)
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Passenger Adjustable Lumbar
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Power Driver Seat
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Power Passenger Seat
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Seat Memory
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Leather Seats
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Cooled Front Seat(s)
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Rear Bench Seat
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Adjustable Steering Wheel
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Leather Steering Wheel
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Heated Steering Wheel
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Steering Wheel Audio Controls
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Power Outlet
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Floor Mats
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Power Windows
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Power Door Locks
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Cruise Control
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Adjustable Pedals
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Keyless Entry
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Remote Engine Start
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Security System
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Universal Garage Door Opener
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A/C
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Climate Control
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Multi-Zone A/C
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Rear Defrost
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Cup holders, in console and rear
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Auto-Dimming Rearview Mirror
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Headliner, Opal Gray-colored cloth with matching retainer moldings
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Driver Illuminated Vanity Mirror
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Driver Vanity Mirror
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Passenger Illuminated Visor Mirror
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Passenger Vanity Mirror
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Assist handles, front passenger and rear outboard
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Front Reading Lamps
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Coat hooks, driver- and passenger-side rear
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8 Cylinder Engine
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Flex Fuel Capability
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6-Speed A/T
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A/T
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Transmission Overdrive Switch
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Rear axle, 3.73 ratio
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Suspension Package, Handling/Trailering, heavy-duty includes 35mm twin tube shock absorbers and 36mm front stabilizer bar
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Pickup box, Wideside
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GVWR, 9500 lbs. (4309 kg) (Requires (L96) Vortec 6.0L V8 SFI engine.)
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Locking/Limited Slip Differential
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Four Wheel Drive
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Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator tank
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Cooling, auxiliary external transmission oil cooler heavy-duty air-to-oil
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Battery, heavy-duty 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
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Alternator, 125 amps
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Trailer brake controller, integrated
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Frame, fully-boxed, hydroformed front section
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Tow Hooks
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Tow Hitch
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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
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Suspension, front independent, torsion bar
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Suspension, rear 4+1 multi-leaf springs
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Exhaust aluminized stainless-steel muffler and tailpipe
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Tools, mechanical jack and wheel wrench located in back of cab
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Stability Control
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Traction Control
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Daytime Running Lights
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Driver Air Bag
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Passenger Air Bag
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Front Head Air Bag
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Rear Head Air Bag
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Front Side Air Bag
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Requires Subscription
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Telematics
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Navigation from Telematics
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Rear Parking Aid
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Back-Up Camera
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Child Safety Locks
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Tire Pressure Monitor
No matches were found.
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Vehicle NameGMC Sierra 2500HD
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Body StyleCrew Cab 6.5' Fleetside
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Body CodeE63
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Drivetrain4-Wheel Drive
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Trans Order CodeMYD
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Trans Type6
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Trans Description Cont.HD Automatic
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First Gear Ratio (:1)4.03
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Second Gear Ratio (:1)2.36
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Third Gear Ratio (:1)1.53
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Fourth Gear Ratio (:1)1.15
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Fifth Gear Ratio (:1)0.85
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Sixth Gear Ratio (:1)0.67
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Reverse Ratio (:1)3.06
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Transfer Case ModelMagna MP1625/6
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Transfer Case Gear Ratio (:1), High1.00
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Transfer Case Gear Ratio (:1), Low2.69
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Passenger Capacity6
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Front Head Room (in)41.3
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Front Leg Room (in)41.3
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Front Shoulder Room (in)65.2
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Front Hip Room (in)60.3
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Second Head Room (in)40.6
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Second Leg Room (in)39.0
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Second Shoulder Room (in)65.2
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Second Hip Room (in)65.5
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Gross Axle Wt Rating - Front (lbs)4400
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Gross Axle Wt Rating - Rear (lbs)6200
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Curb Weight - Front (lbs)3872
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Curb Weight - Rear (lbs)2690
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Gross Vehicle Weight Rating Cap (lbs)9500
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Gross Combined Wt Rating (lbs)29200
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Dead Weight Hitch - Max Trailer Wt. (lbs)5000
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Dead Weight Hitch - Max Tongue Wt. (lbs)500
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Wt Distributing Hitch - Max Trailer Wt. (lbs)13000
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1950
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)14700
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4175
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Maximum Trailering Capacity (lbs)13700
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Engine Order CodeLML
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Engine TypeTurbocharged Diesel V8
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Displacement6.6L/403
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM397 @ 3000
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SAE Net Torque @ RPM765 @ 1600
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)600
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Maximum Alternator Capacity (amps)125
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Total Cooling System Capacity (qts)25.4
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Frame TypeHydroformed
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Suspension Type - FrontIndependent
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Suspension Type - RearMulti-Leaf
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Spring Capacity - Front (lbs)5200
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Spring Capacity - Rear (lbs)6200
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Axle Type - FrontIndependent
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Axle Type - RearSemi Floating
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Axle Capacity - Front (lbs)5200
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Axle Capacity - Rear (lbs)6200
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Axle Ratio (:1) - Front3.73
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Axle Ratio (:1) - Rear3.73
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Shock Absorber Diameter - Front (mm)35
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Shock Absorber Diameter - Rear (mm)35
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Stabilizer Bar Diameter - Front (in)1.31
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Front Tire Order CodeQWF
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Rear Tire Order CodeQWF
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Front Tire SizeLT265/70R18E
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Rear Tire SizeLT265/70R18E
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Front Tire Capacity (lbs)2860
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Rear Tire Capacity (lbs)3185
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Front Wheel Size (in)18 x 8.0
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Rear Wheel Size (in)18 x 8.0
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Spare Wheel Size (in)18 x 8.0
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialSteel
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Steering TypePwr
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Steering Ratio (:1), On Center24
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Steering Ratio (:1), At Lock3.57
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Turning Diameter - Curb to Curb (ft)50.5
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Brake TypePwr
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Brake ABS System4-Wheel
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Disc - FrontYes
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Disc - RearYes
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Front Brake Rotor Diam x Thickness (in)13.8 x 1.57
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Rear Brake Rotor Diam x Thickness (in)14.17 x 1.34
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Fuel Tank Capacity, Approx (gal)36
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Wheelbase (in)153.7
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Length, Overall w/o rear bumper (in)240.2
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Width, Max w/o mirrors (in)80.0
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Height, Overall (in)78.1
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Overhang, Front (in)38.8
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Overhang, Rear w/o bumper (in)52.6
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Front Bumper to Back of Cab (in)150.9
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Cab to Axle (in)41.6
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Ground to Top of Load Floor (in)37.9
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Ground Clearance, Front (in)9.8
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Ground Clearance, Rear (in)8.2
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Cargo Box Length @ Floor (in)78.8
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Cargo Box Width @ Floor (in)62.5
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Cargo Box Width @ Wheelhousings (in)50.6
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Cargo Box (Area) Height (in)21.0
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Tailgate Width (in)61.6
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Cargo Volume (ft³)60.7
No matches were found.