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2023 GMC Sierra 2500HD Denali
Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Transmission
Automatic
Drivetrain
4×4
Stock #
302610
Trim Details
4WD Crew Cab Standard Box Denali
The 2023 GMC Sierra 2500HD Denali blends heavy-duty strength, refined luxury, and advanced technology. With its bold stance, polished chrome accents, and commanding presence, this full-size pickup delivers serious capability without compromising comfort — perfect for those who need a truck that works as hard as it looks.Â
Performance & CapabilityÂ
Engine: Duramax 6.6L V8 Turbo-Diesel or available gas V8 offering immense towing power and smooth, responsive performanceÂ
Transmission: Allison 10-speed automatic for precise, reliable shifting under loadÂ
Drivetrain: Autotrac 4-Wheel Drive (4WD) with two-speed transfer case for maximum traction on all surfacesÂ
Suspension: Denali Premium Suspension with heavy-duty front springs for stability under loadÂ
Axle Ratio: 3.42 rear axle optimizing towing strength and efficiencyÂ
Trailering Equipment: Integrated trailer brake controller, advanced hitch guidance with Hitch View, and in-vehicle trailering appÂ
Drive Modes: FlexRide mode system and off-road suspension for confident handling in every conditionÂ
Off-Road Readiness: Automatic locking rear differential, hill descent control, skid plates, and chrome recovery hooks for rugged terrainÂ
Winter & Weather ComfortÂ
Heated and ventilated front seats with memory settings for driver and passengerÂ
Heated rear outboard seats and heated steering wheel for extra comfortÂ
Remote start system for pre-conditioning the cabin in all weatherÂ
Tri-zone automatic climate control with moisture and humidity sensorsÂ
Engine block heater and heavy-duty air filter for dependable cold-weather operationÂ
All-weather floor liners protecting the interior year-roundÂ
Interior Comfort & ConvenienceÂ
Front bucket seats with 10-way power adjust and passenger 8-way power seatÂ
Power sliding rear window and rear seat storage package for practical utilityÂ
Wireless charging pad, dual USB ports, and 120V outlets for device connectivityÂ
Keyless open and push-button start for effortless access and ignitionÂ
Wireless Apple CarPlay® & Android Autoâ„¢ integrationÂ
GMC premium infotainment touchscreen with Google Built-In and navigationÂ
Reconfigurable digital driver display providing essential information at a glanceÂ
Bose® premium audio system for immersive, high-fidelity soundÂ
Optional head-up display and rear camera mirror for added convenienceÂ
Safety & Driver AssistanceÂ
GMC Pro Safety Plus and Driver Alert Package II for enhanced driver confidenceÂ
Forward collision alert with automatic emergency braking and low-speed forward automatic brakingÂ
Lane keep assist, lane departure warning, and side blind zone alert with lane change alertÂ
Rear cross traffic braking, rear pedestrian alert, and HD Surround Vision with trailer camera provisionsÂ
Front and rear park assist, following distance indicator, and rear seat reminderÂ
Teen Driver Mode and Buckle-to-Drive for safe, responsible drivingÂ
Exterior Styling & UtilityÂ
20" polished aluminum wheels and signature Denali chrome accents for premium presenceÂ
Exterior color: Summit White — clean, crisp, and commandingÂ
LED headlamps, front fog lamps, and bed lighting for maximum visibilityÂ
GMC MultiPro tailgate with EZ Lift power lock for loading, step access, or workstation functionalityÂ
Spray-on bedliner and 120V bed-mounted outlet for job site practicalityÂ
Chrome assist steps and body-color front and rear bumpers for style and utilityÂ
Perimeter lighting, roof marker lamps, and chrome recovery hooks for confidence at night or off-roadÂ
Gooseneck/5th wheel prep and trailer-ready package for serious towing capabilityÂ
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Whether hauling heavy loads, towing trailers, or navigating rugged terrain, the 2023 GMC Sierra 2500HD Denali delivers commanding power, refined luxury, and advanced technology. It’s the perfect balance of strength, sophistication, and capability — built for drivers who demand professional-grade performance with premium comfort.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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Bumper, front, body-colour lower
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CornerStep, rear bumper
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Running Boards/Side Steps
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Bed Step, Black integrated on forward portion of bed on driver and passenger side
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Bed Liner
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Cargo tie downs (12), fixed rated at 500 lbs (226.8 kg) per corner
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Wheelhouse liners, rear
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Mouldings, beltline, stainless steel
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Grille (Signature Denali grille with high gloss Black mesh and Chrome inserts.)
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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, LED signature taillight with LED stop and reverse light
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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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Mirror caps, chrome
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Privacy Glass
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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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Bucket Seats
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Cooled Front Seat(s)
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Heated Front Seat(s)
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Leather Seats
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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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Mirror Memory
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Seat Memory
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Heated Rear Seat(s)
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Pass-Through Rear Seat
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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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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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Steering column, lock control, electrical
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Driver Information Centre, enhanced, 8" diagonal multicolour digital display includes analogue speedometer and tachometer gauges
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Exterior Temperature Display, located in radio display
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Compass, located in instrument cluster
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Rear Seat Reminder
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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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Universal Garage Door Opener
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Cruise Control
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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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Auxiliary Audio Input
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MP3 Player
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Power Outlet
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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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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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GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
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8 Cylinder Engine
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Gasoline Fuel
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6-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, 10,650 lbs. (4831 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20943 and (L8T) 6.6L V8 gas engine with 17" wheels.)
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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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Blind Spot Monitor
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Cross-Traffic Alert
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Lane Departure Warning
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Rear Parking Aid
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Automatic Highbeams
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Front Collision Mitigation
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Front Collision Warning
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Tow Hitch
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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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ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) 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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Seat Belt Adjustable Guide Loops, front row only
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Requires Subscription
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Telematics
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Rear Parking Aid
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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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Aerial View Display System
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Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
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Back-Up Camera
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Cross-Traffic Alert
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Blind Spot Monitor
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Following Distance Indicator
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Lane Departure Warning
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Safety Alert Seat
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Driver Restriction Features
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Tire Pressure Monitor
No matches were found.
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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 CodeMYD
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Trans Type6
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.03
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Second Gear Ratio (:1)2.36
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Third Gear Ratio (:1)1.53
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Fourth Gear Ratio (:1)1.15
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Fifth Gear Ratio (:1)0.85
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Sixth Gear Ratio (:1)0.67
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Reverse Ratio (:1)3.06
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Clutch Size (in)N/A
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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)39.88
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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)4800
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Gross Axle Wt Rating - Rear (lbs)6600
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Curb Weight - Front (lbs)3862
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Curb Weight - Rear (lbs)2795
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Gross Vehicle Weight Rating Cap (lbs)10650
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Gross Combined Wt Rating (lbs)24000
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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)14500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1450
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Maximum Trailering Capacity (lbs)18500
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Engine Order CodeL8T
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Engine TypeGas V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM401 @ 5200
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SAE Net Torque @ RPM464 @ 4000
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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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Maximum Alternator WattsN/A
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Suspension Type - Front (Cont.)w/Torsion Bar
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Suspension Type - Rear (Cont.)3-Stage Leaf
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Suspension Type - FrontShort/Long Arm
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Suspension Type - RearMulti-Leaf Springs
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Axle Ratio (:1) - Front3.73
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Axle Ratio (:1) - Rear3.73
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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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Revolutions/Mile @ 45 mph - Front (Rev/Mile)N/A
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Revolutions/Mile @ 45 mph - Rear (Rev/Mile)N/A
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Revolutions/Mile @ 45 mph - Spare (Rev/Mile)N/A
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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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Spare Wheel MaterialSteel
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Steering TypePwr Recirculating Ball
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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)250.08
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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)42.1
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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
No matches were found.
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