Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
Silver
Interior Colour
Tan
Transmission
Automatic
Drivetrain
4×4
Stock
303764
Fuel Type
Diesel
Trim Details
4WD Crew Cab Standard Box Denali Ultimate
Description
The 2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab blends heavy-duty capability with first-class luxury, delivering premium craftsmanship, advanced trailering technology, and commanding diesel performance. Designed for drivers who demand uncompromising strength without sacrificing refinement, this Denali Ultimate stands out with bold styling, cutting-edge features, and exceptional comfort for both work and everyday driving. Â
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Performance & Capability Â
Engine: Duramax® 6.6L V8 Turbo-Diesel delivering immense torque, confident towing capability, and long-haul durability Â
Transmission: Allison® 10-speed automatic transmission engineered for smooth shifting and heavy-duty performance Â
Drivetrain: 4WD system with Autotrac® two-speed transfer case for enhanced traction in challenging terrain and weather Â
Suspension: Z71 Off-Road Suspension Package tuned for rugged capability and improved off-road confidence Â
Axle Ratio: 3.42 rear axle ratio optimized for towing strength and highway efficiency Â
Trailering Equipment: Integrated trailer brake controller, Hitch Guidance with Hitch View, Trailering App, and Trailer Camera Provisions Â
Off-Road Capability: Hill Descent Control, skid plates, and automatic locking rear differential for enhanced off-road confidence Â
Exhaust Brake & High Idle Switch for added control and capability when towing or hauling heavy loads Â
Heavy-Duty Cooling Systems including engine oil cooler and transmission oil cooler for demanding workloads Â
220-amp alternator and engine block heater designed for harsh climates and heavy-duty use Â
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Luxury Interior & Comfort Â
Denali Ultimate Interior finished in Alpine Umber full-grain leather with premium craftsmanship throughout Â
Heated & Ventilated Front Seats with massage functionality for exceptional comfort on long drives Â
Heated Rear Outboard Seats and Heated Steering Wheel for cold-weather comfort Â
Power Front Bucket Seats with memory settings, power lumbar, and adjustable bolsters Â
Power Sliding Rear Window and Rear Seat Storage Package for added practicality Â
Dual-Zone Automatic Climate Control with rear air vents for personalized cabin comfort Â
Power Sunroof bringing additional openness and natural light into the cabin Â
Premium Floor Liners with removable carpet inserts for year-round interior protection Â
Remote Vehicle Start and Push-Button Start for everyday convenience Â
Wireless Charging Pad and multiple USB/120V power outlets to keep devices connected and powered Â
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Technology & Connectivity Â
GMC Premium Infotainment System with 13.4" touchscreen and Google Built-In compatibility Â
Wireless Apple CarPlay® & Android Autoâ„¢ integration for seamless smartphone connectivity Â
12" Digital Driver Information Centre with customizable driver information Â
Bose® Premium Audio System delivering immersive, high-quality sound throughout the cabin Â
Head-Up Display projecting key driving information directly onto the windshield Â
Rear Camera Mirror and HD Surround Vision for enhanced visibility while driving or trailering Â
Bed View Camera and Trailer Camera Provisions providing greater confidence when towing Â
Wi-Fi Hotspot Capability and Connected Services functionality for enhanced connectivity on the go Â
Universal Home Remote for added convenience Â
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Safety & Driver Assistance Â
GMC Sierra HD Pro Safety Suite delivering advanced driver-assistance technologiesÂ
Forward Collision Alert with Automatic Emergency Braking Â
Lane Departure Warning and Following Distance Indicator Â
Front Pedestrian Braking for enhanced urban awareness Â
Adaptive Cruise Control for more relaxed highway driving Â
Trailer Side Blind Zone Alert and Rear Cross Traffic Alert for increased towing confidence Â
Front & Rear Park Assist for easier maneuvering in tight spaces Â
HD Surround Vision offering a full 360-degree view around the truck Â
Safety Alert Seat providing additional driver awareness through tactile alerts Â
Teen Driver Mode and Buckle-to-Drive technology encouraging safer driving habits Â
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Exterior Styling & Utility Â
Exterior Colour: Sterling Metallic — sophisticated, modern, and unmistakably premium Â
20" Machined Aluminum Wheels paired with aggressive all-terrain tires for bold road presence Â
Signature Denali Ultimate chrome detailing with chrome mirror caps, chrome door handles, and chrome recovery hooks Â
LED Headlamps, LED Fog Lamps, LED Cargo Bed Lighting, and roof marker lamps for exceptional visibility Â
Power-Retractable Assist Steps with perimeter lighting for easier entry and exit Â
GMC MultiPro Tailgate with EZ Lift power lock and release functionality for maximum versatility Â
Spray-On Bedliner protecting the cargo bed from wear and tear Â
120V Bed-Mounted Power Outlet for added jobsite and recreational utility Â
Deep Tinted Glass and rain-sensing wipers enhancing comfort and convenience Â
Rear Wheelhouse Liners and all-terrain spare tire adding durability and readiness for demanding conditions Â
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Whether you’re towing a large trailer, heading to the jobsite, or embarking on a long-distance adventure, the 2026 GMC Sierra 3500HD Denali Ultimate delivers uncompromising diesel power, luxury-level refinement, and advanced technology in one incredibly capable heavy-duty truck. Combining professional-grade strength with premium comfort and commanding style, this Sierra Denali Ultimate is built for those who demand the very best from their pickup.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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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
-
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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Curb Weight - Front (lbs)4032
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Curb Weight - Rear (lbs)2928
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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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