The new 2026 GMC Sierra 2500HD Denali, with its stunning Black exterior and robust 4x4 drivetrain, ensures a confident and commanding driving experience. Designed for both power and presence, the Sierra 2500HD expertly handles tough terrains while making a bold statement on the road.
Step inside to a luxurious Black interior that's crafted for comfort and style. The Crew Cab offers generous space, while leather seats, heated and cooled front seats, and a heated steering wheel create a premium atmosphere. Externally, the inclusion of running boards and heated mirrors adds to both functionality and refinement.
Equipped with cutting-edge technology, this Sierra features a high-quality navigation system, a backup camera, Bluetooth connectivity, and smart device integration ensuring seamless connectivity. Safety is prioritized with features like lane assist, adaptive cruise control, parking sensors, and a range of driver assistance features, providing peace of mind on every journey.
This vehicle is perfect for those seeking a powerful yet sophisticated truck experience. Whether for work or leisure, the 2026 Sierra 2500HD Denali is a versatile choice. Contact our dealership today for more information and to schedule a test drive. Don't miss out on experiencing this exceptional truck for yourself!
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Denali Preferred Equipment Group • 5SAincludes standard equipment
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Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible • L5P(470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
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Transmission, 10-Speed Automatic • MGM
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Gvwr, 11,350 Lbs. (5148 Kg) • JGL
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Rear Axle, 3.42 Ratio • GU6
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Wheels, 20" Transit Aluminum Wheels • Q7Qfor LPO 20" wheels and tires
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Tires, Lt275/65R20 All-Terrain, Blackwall • QF9
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Onyx Black • GBA
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Seats, Front Bucket • A50with centre console
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Jet Black, Forge Perforated Leather Seat Trim • H2X
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Audio System, 13.4" Diagonal Premium Gmc Infotainment System With Google Built In Apps Such As Navigation And Voice Assistance • IOKincludes 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
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Denali Reserve Package • PECincludes (CWM) Technology Package and (CF5) power sunroof
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Technology Package • CWMincludes (DRZ) Rear Camera Mirror and (UV6) Multicolour 15" Diagonal Head-Up Display
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Snow Plow Prep/Camper Package • VYUincludes (KW5) 220-amp alternator, includes increased front GAWR on Heavy Duty models, (NZZ) skid plates (transfer case and oil pan), pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage, recommend ordering (UY2) Trailering wiring provisions
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Lpo, Black Badging Package • RFE(dealer-installed), includes (SFZ) Black GMC emblems, LPO, and (RIK) Black Sierra Nameplates, LPO.
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Engine Block Heater • K05
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Alternator, 220 Amps • KW5
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Trailering Wiring Provisions, For Trailering, 5Th Wheel And Gooseneck Trailer • UY2includes additional 7-way wiring harness located at the rear of the pickup bed attached to the rear frame cross member
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Exhaust Brake • K40
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Lpo, 20" (50.8 Cm) High Gloss Black Painted Wheels • SHHLPO wheels will come with 4 aluminum 20" Transit Wheels from the factory with alignment specs set to 20" LPO wheel selected (dealer-installed)
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Sunroof, Power • CF5
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Assist Steps, Power-Retractable, With Led Perimeter Lighting And Bright Accent • BRS
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Lpo, Hard Folding Truck Bed Cover By Realtruck Advantage • VOZ(dealer-installed)
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Lpo, Front And Rear Moulded Splash Guards, Black • VQK(dealer-installed)
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Winter Grille Cover • BHP
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Lpo, Black Gmc Emblems • SFZ(dealer-installed)
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Lpo, Black Sierra Nameplates • RIK(dealer-installed)
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License Plate Kit, Front, Incandescent Lighting • VK3(will be shipped to orders with ship-to provinces that require front license plate)
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3 Years Sirius Xm • R6P
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Lpo, All-Weather Floor Liner, 1St And 2Nd Rows • RIA(dealer-installed)
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Multicolour 15" Diagonal Head-Up Display • UV6
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Rear Camera Mirror • DRZinside rearview auto-dimming with full camera display
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Lpo, Rear Underseat Storage • VBJcomposite storage bin, includes lockable lid, (dealer-installed)
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Air Conditioning
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Backup Camera
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Bluetooth Connection
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Cooled Seats
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Cruise Control
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Heated Seats
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Keyless Entry
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Lane Assist
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Leather Seats
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Navigation System
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Parking Sensors
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Power Seats
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Power Windows
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Remote Start
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Running Boards
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Satellite Radio
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Smart Device Integration
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Wi-Fi Hotspot
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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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Chrome Wheels
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Tires - Front All-Terrain
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Tires - Rear All-Terrain
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Conventional Spare Tire
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Bumper, front, body-colour lower
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Bumper, rear body-colour with bumper CornerSteps
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Running Boards/Side Steps
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Bed Liner
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Bed Step, Black integrated on forward portion of bed on driver and passenger side
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Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
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Mouldings, beltline, chrome
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Grille (Signature Chrome Denali grille.)
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Daytime Running Lights
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Automatic Highbeams
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Fog 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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Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
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Lamps, Smoked Amber roof marker, (LED)
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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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Privacy Glass
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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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Door handles, chrome
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Integrated Tailgate Step
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Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
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Tailgate and bed rail protection caps, top
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LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
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Bucket Seats
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Leather Seats
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Pass-Through Rear Seat
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Rear Bench Seat
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Driver Adjustable Lumbar
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Power Driver Seat
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Passenger Adjustable Lumbar
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Power Passenger Seat
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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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Floor covering, colour-keyed carpeting
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Floor Mats
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Steering wheel, wrapped
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Heated Steering Wheel
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Steering Wheel Audio Controls
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Adjustable Steering Wheel
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Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
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Rear Seat Reminder
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GMC Premium information Display- 13.4" diagonal Multicolour touch screen
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Exterior Temperature Display, located in radio display
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Compass, located in instrument cluster
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Power Windows
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Rear Defrost
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Sliding Rear Window
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Power Door Locks
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Keyless Entry
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Keyless Start
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Remote Engine 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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Wireless Charging
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Security System
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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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Auto-Dimming Rearview Mirror
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Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
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8 Cylinder Engine
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Gasoline Fuel
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10-Speed A/T
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A/T
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Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
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Running Boards/Side Steps
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GVWR, 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.)
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Keyless Start
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Hill Descent Control
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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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Air filter, heavy-duty
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Air filtration monitoring
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Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
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Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
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Trailer brake controller, integrated
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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.)
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Tow Hooks
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Skid Plates protect the oil pan, front axle and transfer case
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Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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Suspension, Off-Road includes twin-tube shocks
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Brake lining wear indicator
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Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
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X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
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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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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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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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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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Trailer Camera Provisions and trailer viewing software
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Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
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Lane Departure Warning
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Rear Seat Belt Indicator
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Cross-Traffic Alert
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Blind Spot Monitor
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Seat Belt Adjustable Guide Loops, front row only
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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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Safety Alert Seat
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Driver Restriction Features
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Tire Pressure Monitor
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Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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Vehicle NameGMC Sierra 2500HD
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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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Transfer Case Gear Ratio (:1), High1
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Passenger Capacity5
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Front Head Room (in)43.03
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Front Leg Room (in)44.53
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Front Shoulder Room (in)66.02
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Front Hip Room (in)61.18
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Second Head Room (in)40.12
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Second Leg Room (in)43.4
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Second Shoulder Room (in)65.3
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Second Hip Room (in)60.24
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Gross Axle Wt Rating - Front (lbs)5600
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Curb Weight - Front (lbs)4013
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Curb Weight - Rear (lbs)2812
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Gross Vehicle Weight Rating Cap (lbs)11350
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Gross Combined Wt Rating (lbs)27500
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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)18500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1850
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)17600
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4400
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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)220
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Frame TypeBox Ladder
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Suspension Type - FrontShort/Long Arm w/Torsion Bar
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Suspension Type - Rear2-Stage Multi-Leaf
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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 CodeQF9
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Rear Tire Order CodeQF9
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/65R20
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Rear Tire SizeLT275/65R20
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Spare Tire SizeLT275/70R18
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Front Wheel Size (in)20
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Rear Wheel Size (in)20
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Spare Wheel Size (in)18
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Steering TypePwr Recirculating Ball
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Turning Diameter - Curb to Curb (ft)52.7
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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)159
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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)79.82
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Cab to Axle (in)42.17
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Ground Clearance, Front (in)10.12
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Ground Clearance, Rear (in)10.12
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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
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Body StyleTruck
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Engine6.6L
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Exterior ColourWhite
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TransmissionAutomatic
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Drivetrain4×4
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Stock6788
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Fuel TypeDiesel
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Body StyleTruck
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Engine6.6L
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Exterior ColourWhite
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TransmissionAutomatic
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Drivetrain4×4
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Stock6370
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Fuel TypeGasoline
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Body StyleTruck
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Engine6.6L
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Exterior ColourRed
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TransmissionAutomatic
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Drivetrain4×4
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Stock6791
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Fuel TypeDiesel
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Body StyleTruck
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Engine6.6L
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Exterior ColourBlack
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TransmissionAutomatic
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Drivetrain4×4
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Stock6787
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Fuel TypeDiesel
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Body StyleTruck
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Engine6.2L
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Exterior ColourWhite
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TransmissionAutomatic
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Drivetrain4×4
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Stock6181
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Fuel TypeGasoline
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBGRequired packages: 5SA-$5,000Valid from 2026/06/02 - 2026/06/30