The 2026 GMC Sierra 2500HD Denali Crew Cab blends uncompromising heavy-duty strength, first-class luxury, and advanced technology. With its commanding presence, powerful Duramax diesel engine, and premium Denali craftsmanship, this four-wheel-drive pickup is built to handle demanding towing and hauling while surrounding you with exceptional comfort. From the worksite to the open highway, the Sierra 2500HD Denali delivers professional-grade capability with unmistakable sophistication. 

Performance & Capability 

Engine: 6.6L Duramax Turbo-Diesel V8 delivering impressive torque and confident heavy-duty performance. 

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

Drivetrain: Four-wheel drive with a two-speed Autotrac transfer case for enhanced traction in changing conditions. 

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

Automatic Locking Rear Differential: Helps maximize traction on challenging surfaces. 

Exhaust Brake: Assists with speed control on steep descents while towing. 

Heavy-Duty Cooling: Engine and transmission oil coolers help support demanding workloads. 

Off-Road Capability: Hill descent control, protective skid plates, and all-terrain tires provide added confidence beyond paved roads. 

Max Trailering Package: Heavy-duty frame and suspension components, plus factory gooseneck and fifth-wheel preparation. 

Advanced Trailering Technology: Integrated trailer brake controller, Hitch View, trailer camera provisions, and an in-vehicle trailering app. 

Winter & Weather Comfort 

Heated and Ventilated Front Seats: Enjoy warmth in winter and cooling comfort in warmer weather. 

Heated Rear Outboard Seats: Keep rear passengers comfortable on cold Canadian mornings. 

Heated Steering Wheel: Adds warmth when temperatures drop. 

Remote Vehicle Start: Helps prepare the cabin before you climb inside. 

Engine Block Heater: Supports cold-weather starting. 

Dual-Zone Automatic Climate Control: Allows personalized temperature settings for the driver and front passenger. 

Heated, Power-Adjustable Trailering Mirrors: Provide convenient adjustment and enhanced visibility. 

Rain-Sensing Windshield Wipers: Automatically respond to changing rainfall. 

Interior Comfort & Convenience 

Premium Jet Black Interior: Creates a refined, upscale cabin with signature Denali craftsmanship. 

Power Front Bucket Seats: Adjustable driver and passenger seating with power lumbar support. 

Driver Memory Settings: Conveniently recalls preferred driving positions. 

Power Sliding Rear Window: Provides additional ventilation and everyday convenience. 

Power Sunroof: Opens the cabin to natural light and fresh air. 

Keyless Open & Push-Button Start: Simplifies entry and ignition. 

Wireless Charging: Keeps compatible smartphones powered without cable clutter. 

13.4 GMC Premium Infotainment Touchscreen: Features Google built-in compatibility, Bluetooth, and available navigation capability. 

12 Digital Driver Display: Presents customizable vehicle information in a crisp, modern layout. 

Multicolour Head-Up Display: Projects key driving information into your line of sight. 

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

Rear Seat Storage Package: Provides convenient space for keeping everyday essentials organized. 

Chrome Assist Steps: Make entering and exiting the elevated cabin easier. 

Safety & Driver Assistance 

Sierra HD Pro Safety: Advanced driver-assistance features designed to support awareness and confidence. 

Forward Collision Alert & Automatic Emergency Braking: Help alert the driver to potential frontal collisions. 

Front Pedestrian Braking: Adds assistance when pedestrians are detected ahead. 

Adaptive Cruise Control: Helps maintain a selected following distance in supported driving conditions. 

Lane Departure Warning: Alerts the driver when an unintended lane departure is detected. 

HD Surround Vision: Provides multiple camera views to assist with parking and maneuvering. 

Rear Camera Mirror: Offers a camera-based rear view for improved visibility. 

Trailer Side Blind Zone Alert: Helps monitor blind-zone areas alongside the truck and compatible trailers. 

Front & Rear Park Assist: Supports easier maneuvering in tight spaces. 

Bed View Camera: Helps with cargo monitoring and trailer hitch alignment. 

Exterior Styling & Utility 

Exterior Colour: Sterling Metallic delivers a sleek, modern finish that complements the Denalis premium appearance. 

20 Machined Aluminum Wheels: Add a polished, sophisticated look. 

All-Terrain Tires: Provide versatility for highway driving and challenging road surfaces. 

Signature LED Headlamps & Fog Lamps: Combine contemporary styling with enhanced illumination. 

LED Roof Marker Lamps: Emphasize the trucks substantial heavy-duty presence. 

Spray-On Bedliner: Helps protect the cargo bed from everyday wear. 

GMC MultiPro Tailgate: Offers versatile configurations for loading, accessing, and managing cargo. 

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

LED Cargo Bed Lighting: Illuminates the box for early starts and after-dark jobs. 

Chrome Recovery Hooks: Add a rugged detail to the bold front-end design. 

Deep-Tinted Glass & Rear Wheelhouse Liners: Complete the trucks refined appearance. 

Whether youre towing a fifth-wheel trailer, hauling equipment, navigating winter roads, or heading out for a weekend getaway, the 2026 GMC Sierra 2500HD Denali delivers commanding diesel power, serious heavy-duty capability, and exceptional refinement. Its the ideal blend of strength, technology, and luxury for drivers who expect premium comfort from a truck built to work hard. 

 



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 EquipmentAirbags, 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 driverStabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assistDaytime Running Lamps, LED signature lightingHitch Guidance dynamic single line to aid in truck trailer alignment for hitchingRear Seat Belt IndicatorTire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)Safety Alert SeatTrailer Side Blind Zone AlertHitch 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.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 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 onlyBuckle 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.)Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel traileringOnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)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. Term begins on vehicle delivery date. 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. Services, connectivity, and capabilities have additional terms and limitations and are subject to change, and will vary by model, vehicle configuration, software version, conditions, and geographical and technical restrictions. Compatible smartphone required for mobile app commands. Not all vehicles may transmit all crash data; OnStar links to emergency services; Voice and Maps apps are subject to change at any time and may be provided by third parties. Non-refundable and no cash value. See onstar.ca/en/info for terms and details.)Interior EquipmentSeating, heated driver and front outboard passengerSeats, ventilated driver and front passengerSeats, heated second row outboard seatsCentre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capabilityFloor covering, colour-keyed carpetingSteering wheel, heatedSteering wheel audio controlsCompass, located in instrument clusterWindow, 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 electricMirror, inside rearview auto-dimmingAssist handles front A-pillar mounted for driver and passenger, rear B-pillar mountedAir conditioning, dual-zone automatic climate controlExterior Temperature Display, located in radio displaySteering column, manual Tilt-Wheel and telescopingRear Seat ReminderAdaptive Cruise ControlSteering wheel, wrappedWireless ChargingUSB Ports, 2 (first row) located on consoleAir vents, rearDriver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital displayWindows, power front, drivers express up/downDriver memory recalls driver "presets" for power driver seat and outside mirrorsWindow, power, rear sliding with rear defoggerUSB Ports, 2, Charge/Data ports located inside centre consoleSeats, front bucket with centre consoleSeat, 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 under-seat storage, (includes child seat top tether anchor)GMC Premium information Display- 13.4" diagonal Multicolour touch screenKeyless Open and Start includes remote keyless entryUSB ports, (2) charge-only, rearSeat adjuster, driver 12-way power including lumbarSeat adjuster, passenger 12-way power including lumbarFloor mats, carpeted front (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)Seat trim, Forge Perforated LeatherExterior EquipmentTires, LT275/65R20 all-terrain, blackwallTire carrier lock keyed cylinder lock that utilizes same key as ignition and doorCornerStep, rear bumperCargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per cornerLamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheelMirror caps, chromeGlass, deep-tintedDoor handles, chromeTailgate and bed rail protection caps, topWheelhouse liners, rearWipers, front rain-sensingFog lamps, LEDBed Step, Black integrated on forward portion of bed on driver and passenger sideTire, spare LT275/70R18 all-terrain, blackwallBumper, front, body-colour lowerBumper, rear body-colour with bumper CornerStepsHeadlamps, Animated LED projectors LED turn signals and Daytime Running LampsIntelliBeam, 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 lampsMirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lightingTailgate, 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 detailsTailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area lightLamps, Smoked Amber roof marker, (LED)Wheels, 20" (50.8 cm) Ultra-bright machined wheels with bright chrome inserts with Black painted pocketsAssist steps, chromed tubular, 6" rectangular cab length (factory installed)Mouldings, beltline, chromeGrille (Signature Chrome Denali grille.)LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)Entertainment EquipmentBose Sound System, premium 7-speaker system with Richbass wooferBluetooth for phone connectivity to vehicle infotainment systemWi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)Wireless phone projection for Apple CarPlay and Android AutoAudio 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 phonesSiriusXM 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 EquipmentEngine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)Air filtration monitoringFour wheel driveCooling, external engine oil coolerCooling, auxiliary external transmission oil coolerBattery, 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.)Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)Trailer brake controller, integratedFrame, fully-boxed, hydroformed front section and a fully-boxed stamped rear sectionSteering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigueBrakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotorsBrake lining wear indicatorRear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)Pickup bed includes bed assist stepPush Button StartAir filter, heavy-dutyAuto-locking rear differentialHill Descent ControlGVWR, 11,050 lbs. (5012 kg) (Included and only available with TK20943 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)Transfer case, two-speed active, electronic Autotrac with push button controlIn-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.)Skid Plates protect the oil pan, front axle and transfer caseSuspension, Off-Road includes twin-tube shocksCapless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)Recovery hooks, front, Chrome (plant installed.)GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)Transmission, 10-Speed automaticOther EquipmentTrailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch GuidanceX31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocksSierra 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 App