The 2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab Standard Box represents the pinnacle of heavy-duty luxury, combining formidable Duramax diesel power, sophisticated craftsmanship, and cutting-edge technology. Finished in stunning Sterling Metallic with an exclusive Alpine Umber and Jet Black interior, this premium truck delivers commanding presence, exceptional capability, and first-class comfort for drivers who refuse to compromise. 

Performance & Capability 

Engine: 6.6L Duramax Turbo-Diesel V8 engineered for impressive torque and demanding heavy-duty performance. 

Transmission: 10-speed automatic transmission for smooth, confident power delivery. 

Drivetrain: Four-wheel drive with an Autotrac two-speed transfer case for enhanced traction across changing terrain. 

Rear Axle: 3.42 axle ratio designed to support demanding hauling and towing applications. 

Automatic Locking Rear Differential: Helps maintain traction when road conditions become challenging. 

Off-Road Capability: Off-road suspension, skid plates, and Hill Descent Control for added confidence on rugged terrain. 

Advanced Trailering: Integrated trailer brake controller, Hitch Guidance, Hitch View, and an in-vehicle trailering app for enhanced towing awareness. 

Gooseneck/5th-Wheel Prep Package: Supports compatible heavy-duty trailer configurations. 

Winter & Weather Comfort 

Heated and Ventilated Front Seats provide year-round comfort in changing temperatures. 

Heated Rear Outboard Seats keep passengers comfortable on cold-weather journeys. 

Heated Steering Wheel adds welcome warmth on frosty mornings. 

Dual-Zone Automatic Climate Control allows personalized cabin temperatures. 

Remote Vehicle Start helps prepare the cabin before departure. 

Engine Block Heater supports cold-weather starting. 

Rain-Sensing Windshield Wipers and Rear Window Defogger help maintain visibility in unpredictable weather. 

Interior Comfort & Luxury 

Premium Alpine Umber and Jet Black Interior creates an exclusive, sophisticated cabin atmosphere. 

Power Front Bucket Seats with four-way power lumbar support and adjustable shoulder controls for tailored comfort. 

Driver and Front Passenger Seat Massage adds a relaxing touch to long-distance travel. 

Power Seat Bolsters provide additional support and a personalized seating experience. 

Driver Memory Settings recall preferred seat and mirror positions. 

Power Sunroof brings natural light into the spacious Crew Cab. 

Power Sliding Rear Window adds convenient ventilation. 

Power-Retractable Assist Steps with LED Perimeter Lighting provide easy entry and exit with a premium touch. 

Wireless Charging and multiple USB ports keep compatible devices connected and powered. 

Technology & Entertainment 

13.4-Inch GMC Premium Infotainment Touchscreen with Google built-in for intuitive connectivity and compatible navigation features. 

12-Inch Digital Driver Display presents essential driving information in a customizable format. 

Wireless Apple CarPlay and Android Auto provide seamless access to compatible smartphone apps. 

Bose Premium Audio System delivers rich, immersive sound throughout the cabin. 

Rear Camera Mirror and HD Surround Vision help improve visibility when parking and maneuvering. 

Bed View Camera and Trailer Camera Provisions support improved visibility with compatible trailer setups. 

MultiPro Tailgate Audio System by KICKER brings entertainment to outdoor gatherings and tailgate events. 

Safety & Driver Assistance 

GMC Pro Safety features include Forward Collision Alert, Automatic Emergency Braking, and Front Pedestrian Braking. 

Adaptive Cruise Control helps manage following distance on compatible highway journeys. 

Lane Departure Warning and Following Distance Indicator support driver awareness. 

Front and Rear Park Assist and Rear Cross Traffic Alert help when maneuvering in tight spaces. 

Trailer Side Blind Zone Alert adds awareness when towing. 

IntelliBeam Automatic High Beams help optimize nighttime visibility. 

Driver Safety Alert Seat, tire pressure monitoring, and Teen Driver Mode provide additional confidence. 

Exterior Styling & Utility 

Exterior Colour: Summit White a crisp, timeless finish that complements the Denalis premium presence. 

20-Inch Machined Aluminum Wheels paired with all-terrain tires deliver a bold, premium stance. 

Signature LED Headlamps and Front LED Fog Lamps provide modern styling and enhanced visibility. 

Premium Chrome Accents: Chrome mirror caps, door handles, and recovery hooks complement the distinctive Denali appearance. 

GMC MultiPro Tailgate: Multiple configurations make loading, accessing the bed, and handling everyday tasks easier. 

Spray-On Bedliner helps protect the cargo box from everyday wear. 

LED Cargo Bed Lighting illuminates the work area after dark. 

120V Bed-Mounted Power Outlet provides convenient power for compatible tools and equipment. 

Body-Colour Wheel Arch Mouldings create a cohesive, upscale exterior appearance. 

Whether youre towing a substantial load, heading to the worksite, or embarking on a long-distance adventure, the 2026 GMC Sierra 3500HD Denali Ultimate delivers extraordinary diesel capability wrapped in flagship luxury. With its commanding design, indulgent interior, and advanced trailering technology, this heavy-duty pickup sets an exceptional standard for strength, sophistication, and premium performance. 

 



AMVIC Licensed Dealer

*Every reasonable effort is made to ensure the accuracy of the information shown. The Standard Equipment listed is provided at the time of the manufacture and may not match the exact vehicle displayed. Please confirm with a sales representative the accuracy of this information.

Engine: 8 Cylinder Engine 6.6L
Safety EquipmentStabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assistAirbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbagFront and Rear Park Assist, ultrasonicRear Cross Traffic AlertTeen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behaviour. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driverRear Seat ReminderHitch Guidance dynamic single line to aid in truck trailer alignment for hitchingSafety Alert SeatTrailer Side Blind Zone AlertTire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/TiltFront Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)LED Signature DRL'sHD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a centre stack display. Includes front camera washer.Trailer Camera Provisions and trailer viewing softwareForward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)Seat Belt Adjustable Guide Loops, front row onlyRear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)OnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)Daytime Running Lamps LED signature lightingHill Descent Control (Not available with dual rear wheels.)Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera ProvisionsTrailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM AccessoriesBuckle 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)OnStar Basics (OnStar Fleet Basics for Fleet) Drive more confidently with up to 8 years of core OnStar services including mobile app commands, connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic, and Automatic Crash Response. (Requires (UE1) OnStar. OnStar Basics includes access to remote commands through your vehicle's mobile app (compatible smartphone required); Automatic Crash Response (not all vehicles may transmit all crash data; OnStar links to emergency services); and wireless connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic (Voice & Maps apps are subject to change at any time and may be provided by third parties). Term begins from date of vehicle delivery. Paid subscription required after expiry. Services are dependent on compatible wireless networks provided by third-party wireless service providers, working vehicle electrical systems, GPS signal and other factors outside GM control. Changes in technology and wireless networks may limit or prevent the operation of certain services. For customers who also separately receive or purchase a Premium Plan or Vehicle Data Plan to use Wi-Fi Hotspot and In-Vehicle Apps, the data provided as part of that plan will also be used by any Voice & Maps apps which already had data connectivity under this Basics plan; if any applicable data caps are reached, Voice & Maps apps will continue to function for the duration of this Basics plan but additional vehicle data plan(s) must be purchased to use Wi-Fi Hotspot and In-Vehicle Apps. Services, connectivity, and capabilities have additional terms and limitations and are subject to change, and will vary by model, vehicle configuration, conditions, and geographical and technical restrictions. Non-refundable and no cash value. See onstar.ca for details.)Interior EquipmentSeating, heated driver and front outboard passengerSeats, ventilated driver and front passengerSeats, heated second row outboard seatsDriver memory, recalls driver "presets" for power driver seat and outside mirrorsCentre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capabilityFloor covering, colour-keyed carpetingSteering wheel, leather-wrappedSteering wheel, heatedSteering wheel audio controlsExterior Temperature Display located in radio displayCompass, located in instrument clusterWindow, power front, drivers express up/downWindow, power front, passenger express up/downWindows, power rear, express downDoor locks, powerRemote vehicle starter systemUniversal Home RemoteTheft-deterrent system, unauthorized entryPower outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)Defogger, rear-window electricAir conditioning, dual-zone automatic climate controlSteering column, manual Tilt-Wheel and telescopingAdaptive Cruise ControlWireless ChargingUSB Ports, 2 (first row) located on consoleAir vents, rearDriver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital displayAssist handles, front A-pillar mounted for driver and passenger, rear B-pillar mountedSeats, front bucket with centre consoleGMC Premium information Display- 13.4" diagonal Multicolour touch screenKeyless Open and Start includes remote keyless entryUSB ports, (2) charge-only, rearRear Camera Mirror inside rearview auto-dimming with full camera displaySeat adjuster, driver 16-way power including lumbar and massageSeat adjuster, passenger 16-way power including lumbar and massageMulticolour 15" Diagonal Head-Up DisplaySeat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, centre fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)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 when (PTT) trailer tire pressure monitor sensors are installed.)Seat trim, Full Grain Leather seatsFloor mats, carpeted front (Includes Premium floor mats with corner applique.)USB ports, 2, Charge/Data ports located inside centre consoleExterior EquipmentTire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF9) LT275/65R20 all-terrain, blackwall tires on single rear wheel models.)Single Rear WheelsTire carrier lock keyed cylinder lock that utilizes same key as ignition and doorCornerStep, rear bumperMouldings, beltline, stainless steelMirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])Mirror caps, chromeGlass, deep-tintedWindow, power, rear sliding with rear defoggerDoor handles, chromeTailgate and bed rail protection caps, topLamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheelWipers, front rain-sensingFog lamps, LEDBed Step, Black integrated on forward portion of bed on driver and passenger sideBumper, front, body-colour lowerBumper, rear body-colour with bumper CornerStepsIntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fobTaillamps, Animated LED Signature Tail, Stop, turn and Reverse lampsTailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area lightSunroof, powerHeadlamps, Animated LED projectors, LED turn signals and Daytime Running LampsLPO, MultiPro Tailgate Audio System by Kicker (dealer-installed)Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)Wheelhouse liners, rear (Not available with dual rear wheel models.)Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels.)Tailgate, GMC MultiPro Tailgate with six functional load/access features. NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for detailsWheels, 20" (50.8 cm) Ultra-bright machined aluminum wheels with gloss black inserts with Black painted pockets (Requires single rear wheels.)Assist steps, power-retractable with LED perimeter lighting and bright accent (Not available with any other assist steps.)Winter Grille CoverCargo tie downs (12), fixed, rated at 500 lbs per cornerGrille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surroundBedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)Entertainment EquipmentBluetooth for phone connectivity to vehicle infotainment systemWireless phone projection for Apple CarPlay and Android AutoBose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilotAudio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes colour touch-screen, multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones.Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)SiriusXM Trial SubscriptionSiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Certain features and/or content may not be available unless an active data connection is enabled in the vehicle. Content varies by SiriusXM subscription plan. Features and display may vary by vehicle. All SiriusXM services require a subscription, sold separately by SiriusXM after the trial period. Your SiriusXM service will automatically stop at the end of your trial unless you decide to subscribe. If you decide to continue service after your trial, the subscription plan you choose will continue for an indeterminate term and you will be charged according to your chosen payment method at the then-current rates unless and until you cancel. Taxes apply. Please see the SiriusXM Customer Agreement at siriusxm.ca/terms for complete terms and how to cancel, which includes calling SiriusXM at 1-888-539-7474. All rates, content, and programming are subject to change. SiriusXM uses personal information in accordance with SiriusXM Privacy Policy, available at siriusxm.ca/privacy. SiriusXM Canada Inc. "SiriusXM", the SiriusXM logo, channel names and logos are trademarks of Sirius XM Radio Inc. and are used under license.)Mechanical EquipmentAir filtration monitoringTransfer case, two-speed active electronic Autotrac with push button controlFour wheel driveCooling, external engine oil coolerCooling, auxiliary external transmission oil coolerTrailer brake controller, integratedFrame, fully-boxed, hydroformed front section and a fully-boxed stamped rear sectionBrakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotorsBrake lining wear indicatorEngine block heaterPush Button StartAir filter, heavy-dutyAuto-locking rear differentialRear axle, 3.42 ratioAlternator, 220 ampsPickup bedSkid Plates protect the oil pan, front axle and transfer caseTransmission, 10-speed automaticRecovery hooks, front, Chrome (Plant installed.)Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigueEngine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm)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.)Exhaust BrakeCapped Fuel FillGVWR, 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.)Other EquipmentTrailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch GuidanceSierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency BrakingProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering AppX31 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.)Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolour 15" Diagonal Head-Up Display