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2020 GMC Sierra 3500HD Denali
Vehicle Details
Body Style
Truck
Engine
6.6L
Exterior Colour
White
Interior Colour
Brown
Transmission
Automatic
Drivetrain
4×4
Stock
302777
Trim Details
4WD Crew Cab Standard Box Denali
The 2020 GMC Sierra 3500HD Denali 4WD Crew Cab stands at the peak of heavy-duty luxury and brute capability. Built to dominate the toughest jobs while surrounding you in premium refinement, this Denali delivers relentless diesel power, advanced trailering intelligence, and unmistakable presence, Â a truck that works hard and arrives in style.Â
Performance & Heavy-Duty CapabilityÂ
Engine: Legendary Duramax® 6.6L V8 Turbo Diesel delivering massive torque and confident, long-haul performanceÂ
Transmission: Allison® 10-speed automatic engineered for smooth shifting under extreme loadsÂ
Drivetrain: Autotrac® 4-Wheel Drive with two-speed transfer case for maximum traction on job sites and harsh terrainÂ
Rear Axle Ratio: 3.42 for exceptional towing strength and highway stabilityÂ
Exhaust Brake & Heavy-Duty Cooling Systems for controlled descents and sustained towing confidenceÂ
Off-Road Readiness: Skid plates, hill descent control, and off-road suspension enhance capability beyond the pavementÂ
Advanced Trailering & Work TechnologyÂ
Integrated trailer brake controller with advanced trailering systemÂ
Hitch Guidance with Hitch View and Bed View Camera for precise hookupsÂ
Gooseneck/5th wheel prep package for serious hauling demandsÂ
Trailer tire pressure monitoring compatibility for added confidence on long pullsÂ
LED cargo bed lighting, spray-on bedliner, and rear wheelhouse liners for durable worksite practicalityÂ
Denali Interior LuxuryÂ
Heated and ventilated front bucket seats with premium leather and Denali-exclusive accentsÂ
Heated rear outboard seats and heated steering wheel for all-season comfortÂ
Dark Walnut / Dark Ash Grey interior trim for a refined, upscale atmosphereÂ
Power sliding rear window and rear seat storage package for added versatilityÂ
Dual-zone automatic climate control and rear air vents to keep every passenger comfortableÂ
Technology & ConnectivityÂ
Premium GMC Infotainment System with navigation and intuitive touchscreen interfaceÂ
Bose® premium audio system delivering rich, detailed soundÂ
Wireless charging and multiple USB ports plus 120V power outlets in-cabin and in-bedÂ
Head-Up Display and reconfigurable driver information centre for key data at a glanceÂ
Remote start system and keyless open & push-button start for everyday convenienceÂ
Safety & Driver AssistanceÂ
Forward collision alert with low-speed automatic brakingÂ
Lane departure warning and lane change alert with side blind zone alertÂ
Front and rear park assist with HD surround vision for confident maneuveringÂ
Rear cross-traffic alert, following distance indicator, and Teen Driver technologyÂ
Exterior Styling & UtilityÂ
Exterior Colour: Summit White-Â clean, bold, and timelessÂ
Signature Denali chrome grille, chrome mirror caps, door handles, and recovery hooksÂ
20" polished aluminum wheels paired with aggressive all-terrain tiresÂ
LED headlamps, fog lamps, roof marker lamps, and cargo lighting for maximum visibilityÂ
GMC MultiProâ„¢ Tailgate offering multiple configurations for loading, access, and worksite efficiencyÂ
Chrome assist steps and cornerstep rear bumper for easy entry and bed accessÂ
The Final WordÂ
Whether you’re towing heavy equipment, conquering demanding terrain, or cruising in comfort, the 2020 GMC Sierra 3500HD Denali delivers uncompromising strength, advanced intelligence, and Denali-level luxury. It’s a heavy-duty truck built for those who demand maximum capability  without sacrificing refinement.Â
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Packages & Options
Standard Equipment
Technical Specifications
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AM/FM Stereo
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Auxiliary Audio Input
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Bluetooth Connection
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MP3 Player
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Navigation System
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Smart Device Integration
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Requires Subscription
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Satellite Radio
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HD Radio
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Premium Sound System
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Aluminum Wheels
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Tires - Front All-Terrain
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Tires - Rear All-Terrain
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Conventional Spare Tire
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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-colour lower
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Bumper, rear body-colour, with corner steps
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CornerStep, rear bumper
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BedStep, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
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Running Boards/Side Steps
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Mouldings, beltline, stainless steel
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Wheelhouse liners, rear (Not available with dual rear wheel models.)
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Bed Liner
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Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
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Grille, Signature Denali grille with high gloss Black mesh and Chrome inserts
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Daytime Running Lights
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Automatic Highbeams
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Fog Lamps
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Taillamps, LED signature taillight with LED stop and reverse light
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Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
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Lamps, Smoked Amber LED roof marker, (LED) (Standard with dual rear wheels.)
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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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Mirror caps, chrome
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Privacy Glass
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Rear Defrost
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Sliding Rear Window
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LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
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Door handles, chrome
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Integrated Tailgate Step
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Tailgate and bed rail protection caps, top
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Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
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Bucket Seats
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WiFi Hotspot
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Leather Seats
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Driver Adjustable Lumbar
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Power Driver Seat
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Passenger Adjustable Lumbar
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Power Passenger Seat
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Pass-Through Rear Seat
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Rear Bench Seat
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Heated Front Seat(s)
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Cooled Front Seat(s)
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Heated Rear Seat(s)
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Mirror Memory
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Seat Memory
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Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
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Floor covering, colour-keyed carpeting
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Floor Mats
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Leather Steering Wheel
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Heated Steering Wheel
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Adjustable Steering Wheel
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Steering Wheel Audio Controls
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Driver Information Centre, enhanced, 8" diagonal multi-colour digital display includes analogue speedometer and tachometer gauges
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In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)
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Exterior Temperature Display located in radio display
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Window, power front, drivers express up/down
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Power Windows
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Power Door Locks
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Remote Engine Start
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Keyless Entry
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Keyless Start
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Cruise Control
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Universal Garage Door Opener
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Security System
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Wireless Charging
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Power Outlet
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Auxiliary Audio Input
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MP3 Player
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USB ports, dual, charge-only (2nd row)
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Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
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A/C
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Climate Control
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Multi-Zone A/C
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Air vents, rear
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Rear Defrost
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Auto-Dimming Rearview Mirror
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Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
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GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
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8 Cylinder Engine
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Gasoline Fuel
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6-Speed A/T
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A/T
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Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
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Running Boards/Side Steps
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GVWR, 11,350 lbs. (5148 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
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Air filtration monitoring
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Transfer case, two-speed active electronic Autotrac with push button control
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Locking/Limited Slip Differential
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Four Wheel Drive
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Cooling, external engine oil cooler
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Cooling, auxiliary external transmission oil cooler
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Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
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Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
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Trailer brake controller, integrated
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Tow Hooks
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Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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Skid Plates protect the oil pan, front axle and transfer case
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Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Brake lining wear indicator
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Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
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Blind Spot Monitor
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Cross-Traffic Alert
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Rear Parking Aid
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Automatic Highbeams
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Front Collision Mitigation
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Front Collision Warning
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Lane Departure Warning
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X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks (Not available with dual rear wheels.)
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Tow Hitch
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ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
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Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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Front Collision Mitigation
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Front Collision Warning
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Stability Control
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Traction Control
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Hill Descent Control (Not available with dual rear wheels.)
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Daytime Running Lights
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Driver Air Bag
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Front Head Air Bag
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Front Side Air Bag
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Passenger Air Bag
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Passenger Air Bag Sensor
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Rear Head Air Bag
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Requires Subscription
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Telematics
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Rear Parking Aid
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Back-Up Camera
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Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
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Cross-Traffic Alert
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Blind Spot Monitor
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Lane Departure Warning
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Following Distance Indicator (Included and only available with (PDJ) Driver Alert Package II.)
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Safety Alert Seat
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Driver Restriction Features
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Tire Pressure Monitor
No matches were found.
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Vehicle NameGMC Sierra 3500HD
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Body StyleCrew Cab Pickup
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Body CodeE63
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DrivetrainFour Wheel Drive
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Trans Order CodeMYD
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Trans Type6
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Trans Description Cont.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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Passenger Capacity5
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Front Head Room (in)43.03
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Front Leg Room (in)44.53
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Front Shoulder Room (in)66.02
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Front Hip Room (in)61.18
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Second Head Room (in)40.12
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Second Leg Room (in)43.4
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Second Shoulder Room (in)65.3
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Second Hip Room (in)60.24
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Gross Axle Wt Rating - Front (lbs)4800
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Gross Axle Wt Rating - Rear (lbs)7250
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Curb Weight - Front (lbs)3851
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Curb Weight - Rear (lbs)2915
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Gross Vehicle Weight Rating Cap (lbs)11350
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Gross Combined Wt Rating (lbs)24000
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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)14500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1450
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)16530
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4132
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL8T
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Engine TypeGas V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM401 @ 5200
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SAE Net Torque @ RPM464 @ 4000
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)720
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Maximum Alternator Capacity (amps)170
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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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Axle Type - FrontIndependent
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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)51
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Shock Absorber Diameter - Rear (mm)51
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Stabilizer Bar Diameter - Front (in)1.38
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Front Tire Order CodeQF9
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Rear Tire Order CodeQF9
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/65R20
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Rear Tire SizeLT275/65R20
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Spare Tire SizeLT275/70R18
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Front Tire Capacity (lbs)3020
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Rear Tire Capacity (lbs)3748
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Spare Tire Capacity (lbs)3638
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Front Wheel Size (in)20 x 8.5
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Rear Wheel Size (in)20 x 8.5
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Spare Wheel Size (in)18 x 8
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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 Recirculating Ball
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Steering Ratio (:1), At LockN/A
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Turning Diameter - Curb to Curb (ft)52.7
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Turning Diameter - Wall to Wall (ft)N/A
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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)14 x 1.6
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Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
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Fuel Tank Capacity, Approx (L)136
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Wheelbase (in)158.94
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Length, Overall (in)250.08
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)80.87
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Cab to Axle (in)42.1
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Ground Clearance, Front (in)11.18
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Ground Clearance, Rear (in)11.18
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Cargo Box Length @ Floor (in)82.2
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)51.85
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Cargo Box (Area) Height (in)21
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Cargo Volume (ft³)69.5
No matches were found.
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* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2020 GMC Sierra 3500HD Denali may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
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