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2026 GMC Sierra 3500HD Denali Ultimate
Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
Blue
Interior Colour
Tan
Transmission
Automatic
Drivetrain
4×4
Stock #
301736
Trim Details
4WD Crew Cab Standard Box Denali Ultimate
The 2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab Standard Box blends heavy-duty capability with high-end refinement, delivering professional-grade strength, advanced technology, and exceptional comfort in a full-size pickup. With its signature Denali Ultimate styling, exclusive luxury appointments, and powerful Duramax diesel engine, the Sierra 3500HD Denali Ultimate is built for those who demand maximum towing and hauling capability without sacrificing sophistication. Whether you're trailering across country or arriving in executive style at the job site, this truck redefines what it means to go premium in the HD segment.Â
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Performance & CapabilityÂ
Engine: 6.6L Duramax® Turbo-Diesel V8 engine producing 470 hp and 975 lb-ft of torque for exceptional towing and hauling performanceÂ
Transmission: Allison® 10-speed automatic transmission for smooth, controlled power deliveryÂ
Four-Wheel Drive: Standard 4WD system for confident traction in tough conditions and on any terrainÂ
Drive Modes: Integrated drive mode selector including Normal, Off-Road, Tow/Haul, and TerrainÂ
Suspension Tuning: Denali Ultimate-tuned suspension for enhanced ride quality and control under loadÂ
Towing Capability: Up to 30,700 lbs gooseneck/fifth-wheel towing and 20,000 lbs conventional towing (when properly equipped)Â
Integrated Trailering Tech: 14 available camera views, Transparent Trailer View, and in-vehicle trailering app for easier haulingÂ
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Interior Comfort & DesignÂ
Denali Ultimate Interior: Alpine Umber full-grain leather seats, real open-pore Paldao wood trim, and exclusive Denali Ultimate badgingÂ
Heated & Ventilated Front Seats: 16-way power-adjustable seats with massage function for driver and passengerÂ
Heated Rear Outboard Seats: Comfort for all passengers with heated rear seats in Crew Cab configurationÂ
Memory Settings: Personalized settings for driver seat, steering wheel, mirrors, and pedalsÂ
Dual-Zone Automatic Climate Control: Individual temperature zones for front-seat passengersÂ
Quiet Cabin: Acoustic-laminated glass and active noise cancellation provide a calm, refined environmentÂ
Ample Storage: Rear under-seat storage, large center console, and multiple compartments throughout the cabinÂ
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Technology & ConnectivityÂ
Infotainment System: 13.4" GMC Premium touchscreen infotainment system with Google built-inÂ
Wireless Apple CarPlay® & Android Autoâ„¢: Cable-free smartphone integration for music, maps, and callsÂ
Digital Driver Display: 12.3" customizable digital gauge cluster with essential driving and trailering infoÂ
Bose® Premium Sound System: 12-speaker surround sound for immersive audio on every driveÂ
Wi-Fi® Hotspot: 4G LTE connectivity available for up to 7 devicesÂ
Wireless Charging: Built-in charging pad for compatible smartphones and devicesÂ
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Safety & Driver AssistanceÂ
GMC Pro Safety Plus Package: Includes a full suite of advanced safety technologies, including:Â
Forward Collision Alert with Automatic Emergency BrakingÂ
Lane Keep Assist with Lane Departure WarningÂ
Front and Rear Park AssistÂ
Following Distance IndicatorÂ
Front Pedestrian BrakingÂ
IntelliBeam® auto high beamsÂ
HD Surround Vision: 360-degree camera system offers multiple angles for easier maneuveringÂ
Adaptive Cruise Control with Trailering: Maintains a safe following distance even while towingÂ
Rear Cross Traffic Braking & Blind Zone Steering Assist: Helps detect vehicles in hard-to-see areasÂ
Trailer Side Blind Zone Alert: Extends blind zone coverage along the length of your trailerÂ
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Exterior Styling & UtilityÂ
Denali Ultimate Detailing: Vader Chrome grille and accents, power-retractable assist steps, and signature badgingÂ
20" Ultra-Bright Machined Aluminum Wheels: With high-gloss black accents for a bold, commanding presenceÂ
LED Lighting: Signature LED headlamps, taillamps, and perimeter lighting for visibility and styleÂ
MultiProâ„¢ Tailgate: Six-function tailgate with available integrated Kicker® audio system for added versatilityÂ
Standard Box Utility: Durable spray-on bedliner, 12 cargo tie-downs, and available 120V power outletÂ
Power Up/Down Tailgate: Hands-free access for easier loading and unloadingÂ
Trailering Mirrors: Power-folding, heated, and extendable trailering mirrors for optimal visibilityÂ
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For drivers who need heavy-duty capability with no compromise on luxury, the 2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab Standard Box delivers premium craftsmanship, cutting-edge technology, and unmatched towing strength — redefining the high-end truck experience.Â
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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Premium Sound System
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WiFi Hotspot
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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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Generic Sun/Moonroof
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Sun/Moonroof
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Bumper, front, body-colour lower
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Bumper, rear body-colour with bumper CornerSteps
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CornerStep, rear bumper
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Bed Step, Black integrated on forward portion of bed on driver and passenger side
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Power Retractable Running Boards
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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 per corner
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Grille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
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Winter Grille Cover
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Daytime Running Lights
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LED Headlights
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Automatic Highbeams
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Fog Lamps
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Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
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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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LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
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Lamps, Smoked Amber 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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Intermittent Wipers
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Rain Sensing Wipers
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Variable Speed Intermittent Wipers
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Privacy Glass
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Rear Defrost
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Sliding Rear Window
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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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Premium Sound System
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Bucket Seats
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Leather Seats
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Driver Adjustable Lumbar
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Power Driver Seat
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Seat-Massage
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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, 12.3" diagonal reconfigurable multicolour digital display
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GMC Premium information Display- 13.4" diagonal Multicolour touch screen
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Heads-Up Display
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Exterior Temperature Display located in radio display
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Compass, located in instrument cluster
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Tire Pressure Monitor
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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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Adaptive Cruise Control
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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, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
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USB ports, (2) charge-only, rear
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Auxiliary Audio Input
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MP3 Player
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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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Back-Up Camera
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Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
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8 Cylinder Engine
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Diesel Fuel
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Turbocharged
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10-Speed A/T
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A/T
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Rear axle, 3.42 ratio
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Pickup bed
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GVWR, 12,100 lbs. (5488 kg) with single rear wheels (Included and only available with TK30743 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Requires single rear wheels.)
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Engine block heater
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Keyless Start
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Air filter, heavy-duty
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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 730 cold-cranking amps/70 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
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Alternator, 220 amps
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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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Capped Fuel Fill
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Back-Up Camera
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Heads-Up Display
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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 (UET) 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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Aerial View Display System
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Back-Up Camera
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Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions
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Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
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Trailer Camera Provisions and trailer viewing software
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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 (PDI) Sierra HD Pro Safety.)
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Safety Alert Seat
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Rear Seat Reminder
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Driver Restriction Features
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Seat Belt Adjustable Guide Loops, front row only
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Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
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Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety)
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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 CodeMGM
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Trans Type10
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.54
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Second Gear Ratio (:1)2.87
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Third Gear Ratio (:1)2.06
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Fourth Gear Ratio (:1)1.72
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Fifth Gear Ratio (:1)1.48
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Sixth Gear Ratio (:1)1.26
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Seventh Gear Ratio (:1)1.00
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Eighth Gear Ratio (:1)0.85
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Ninth Gear Ratio (:1)0.69
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Tenth Gear Ratio (:1)0.63
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Reverse Ratio (:1)4.54
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Passenger Capacity5
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Front Head Room (in)39.88
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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)5600
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Gross Axle Wt Rating - Rear (lbs)7250
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Gross Vehicle Weight Rating Cap (lbs)12100
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Gross Combined Wt Rating (lbs)30000
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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)20000
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Wt Distributing Hitch - Max Tongue Wt. (lbs)2000
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)21100
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)5275
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL5P
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Engine TypeTurbocharged Diesel V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM470 @ 2800
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SAE Net Torque @ RPM975 @ 1600
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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 - FrontShort/Long Arm w/Torsion Bars
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Suspension Type - Rear3-Stage Multi-Leaf
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Axle Type - FrontIndependent
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Axle Ratio (:1) - Front3.42
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Axle Ratio (:1) - Rear3.42
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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 CodeQF6
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Rear Tire Order CodeQF6
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/70R18
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Rear Tire SizeLT275/70R18
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Spare Tire SizeLT275/70R18
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Front Wheel Size (in)18 x 8
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Rear Wheel Size (in)18 x 8
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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)250.75
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)81.2
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Cab to Axle (in)42.17
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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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