Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
Onyx Black
Interior Colour
Alpine Umber
Transmission
Automatic
Drivetrain
4×4
Stock
U4434
Fuel Type
Diesel
Trim Details
4WD Crew Cab Standard Box Denali Ultimate
Description
2025 GMC Sierra 2500HD Denali Ultimate Denali Ultimate Onyx Black
CONNECTIVITY & TECHNOLOGY
MULTICOLOR 15" DIAGONAL
HEAD-UP DISPLAY
REAR CAMERA MIRROR
GMC PREMIUM INFOTAINMENT SYS.
13.4" DIAG COLOUR TOUCHSCREEN
WITH GOOGLE BUILT-IN
COMPATIBILITY INCLUDING NAV
CAPABILITY, BLUETOOTH FOR
MOST PHONES
WIRELESS APPLE CARPLAY AND
WIRELESS ANDROID AUTO FOR
COMPATIBLE PHONES
ONSTAR BASICS (UP TO 8 YEARS)
SEE ONSTAR.CA/EN/INFO FOR
TERMS.
SIRIUSXM WITH 360L. TRIAL
INCLUDED WITH SUBSCRIPTION
SOLD SEPARATELY.
INTERIOR
BOSE PREMIUM SERIES WITH
12-SPEAKER SYSTEM
16-WAY POWER DRIVER SEAT
ADAPTIVE CRUISE CONTROL
HEATED LEATHER WRAP STRG WHL
POWER SLIDING REAR WINDOW
UNIVERSAL HOME REMOTE
HEATED/VENTILATED DRIVER AND
FRONT PASSENGER SEATS
HEATED SECOND ROW OUTBOARD
SEATS
BED VIEW CAMERA
WIRELESS CHARGING
DUAL ZONE, AUTOMATIC CLIMATE
CONTROL
DRIVER SEAT & MIRROR MEMORY
120V AC INSTRUMENT PANEL &
CARGO BED POWER OUTLETS
12.3" DIAG. RECONFIGURABLE
DRIVER INFORMATION CENTRE
EXTERIOR
POWER RETRACTABLE ASSIST STEPS
WITH LED PERIMETER LIGHTING
20" ULTRA BRIGHT MACHINED
ALUMINUM WHEELS,BLACK INSERTS
SPRAY-ON BED LINER
HEADLAMPS, ANIMATED LED
PROJECTOR
FRONT LED FOG LAMPS
MIRRORS, POWER ADJUSTABLE W/
HEATED AND AUTO-DIMMING UPPER
GLASS, INTEGRATED TURN SIGNAL,
POWER FOLDING/EXTENDING AND
PERIMETER LIGHTING
LED CARGO BED LIGHTING
RAIN-SENSING WIPERS
GMC MULTIPRO TAILGATE
GOOSENECK/5TH WHEEL PREP 630.00
PACKAGE
SNOW PLOW PREP/CAMPER PACKAGE 340.00
HIGH IDLE SWITCH 240.00
Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD
Certified. GM Certified Details:
* 1-month OnStar trial and sign up for a paid plan to enjoy the first two months on us. GM Owner Centre and Mobile App. Free SiriusXM Trial
* Exchange policy is 30 days or 2,500 kilometres, whichever comes first
* 3 months or 5,000 kilometres (whichever comes first) which can be extended or upgraded to an even more comprehensive Certified Pre-Owned Vehicle Protection Plan
* 0.99% Financing for 24 Months On Selected Certified Pre-Owned Vehicles 24 Months - 0.99% 36 Months 4.49% 48 Months 4.99% 60 Months - 4.99% 72 Months 4.99% 84 Months - 5.49% Rate valid for the period from April 1, 2026 - June 30, 2026
* 150+ Point Inspection
* 24/7 roadside assistance for 3 months or 5,000 km (whichever comes first)
CONNECTIVITY & TECHNOLOGY
MULTICOLOR 15" DIAGONAL
HEAD-UP DISPLAY
REAR CAMERA MIRROR
GMC PREMIUM INFOTAINMENT SYS.
13.4" DIAG COLOUR TOUCHSCREEN
WITH GOOGLE BUILT-IN
COMPATIBILITY INCLUDING NAV
CAPABILITY, BLUETOOTH FOR
MOST PHONES
WIRELESS APPLE CARPLAY AND
WIRELESS ANDROID AUTO FOR
COMPATIBLE PHONES
ONSTAR BASICS (UP TO 8 YEARS)
SEE ONSTAR.CA/EN/INFO FOR
TERMS.
SIRIUSXM WITH 360L. TRIAL
INCLUDED WITH SUBSCRIPTION
SOLD SEPARATELY.
INTERIOR
BOSE PREMIUM SERIES WITH
12-SPEAKER SYSTEM
16-WAY POWER DRIVER SEAT
ADAPTIVE CRUISE CONTROL
HEATED LEATHER WRAP STRG WHL
POWER SLIDING REAR WINDOW
UNIVERSAL HOME REMOTE
HEATED/VENTILATED DRIVER AND
FRONT PASSENGER SEATS
HEATED SECOND ROW OUTBOARD
SEATS
BED VIEW CAMERA
WIRELESS CHARGING
DUAL ZONE, AUTOMATIC CLIMATE
CONTROL
DRIVER SEAT & MIRROR MEMORY
120V AC INSTRUMENT PANEL &
CARGO BED POWER OUTLETS
12.3" DIAG. RECONFIGURABLE
DRIVER INFORMATION CENTRE
EXTERIOR
POWER RETRACTABLE ASSIST STEPS
WITH LED PERIMETER LIGHTING
20" ULTRA BRIGHT MACHINED
ALUMINUM WHEELS,BLACK INSERTS
SPRAY-ON BED LINER
HEADLAMPS, ANIMATED LED
PROJECTOR
FRONT LED FOG LAMPS
MIRRORS, POWER ADJUSTABLE W/
HEATED AND AUTO-DIMMING UPPER
GLASS, INTEGRATED TURN SIGNAL,
POWER FOLDING/EXTENDING AND
PERIMETER LIGHTING
LED CARGO BED LIGHTING
RAIN-SENSING WIPERS
GMC MULTIPRO TAILGATE
GOOSENECK/5TH WHEEL PREP 630.00
PACKAGE
SNOW PLOW PREP/CAMPER PACKAGE 340.00
HIGH IDLE SWITCH 240.00
Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD
Certified. GM Certified Details:
* 1-month OnStar trial and sign up for a paid plan to enjoy the first two months on us. GM Owner Centre and Mobile App. Free SiriusXM Trial
* Exchange policy is 30 days or 2,500 kilometres, whichever comes first
* 3 months or 5,000 kilometres (whichever comes first) which can be extended or upgraded to an even more comprehensive Certified Pre-Owned Vehicle Protection Plan
* 0.99% Financing for 24 Months On Selected Certified Pre-Owned Vehicles 24 Months - 0.99% 36 Months 4.49% 48 Months 4.99% 60 Months - 4.99% 72 Months 4.99% 84 Months - 5.49% Rate valid for the period from April 1, 2026 - June 30, 2026
* 150+ Point Inspection
* 24/7 roadside assistance for 3 months or 5,000 km (whichever comes first)
Packages & Options
Standard Equipment
Technical Specifications
-
AM/FM Stereo
-
Auxiliary Audio Input
-
Bluetooth Connection
-
MP3 Player
-
Navigation System
-
Smart Device Integration
-
Requires Subscription
-
Satellite Radio
-
Premium Sound System
-
WiFi Hotspot
-
Aluminum Wheels
-
Tires - Front All-Terrain
-
Tires - Rear All-Terrain
-
Conventional Spare Tire
-
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
-
Generic Sun/Moonroof
-
Sun/Moonroof
-
Bumper, rear body-colour with bumper CornerSteps
-
Power Retractable Running Boards
-
Running Boards/Side Steps
-
Bed Liner
-
Bed Step, Black integrated on forward portion of bed on driver and passenger side
-
CornerStep, rear bumper
-
Wheelhouse liners, rear
-
Mouldings, beltline, chrome
-
Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
-
Winter Grille Cover
-
Daytime Running Lights
-
Automatic Highbeams
-
Fog Lamps
-
Lamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
-
LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
-
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
-
Lamps, Smoked Amber roof marker, (LED)
-
Heated Mirrors
-
Integrated Turn Signal Mirrors
-
Power Folding Mirrors
-
Power Mirror(s)
-
Mirror caps, chrome
-
Privacy Glass
-
Intermittent Wipers
-
Rain Sensing Wipers
-
Variable Speed Intermittent Wipers
-
Door handles, chrome
-
Integrated Tailgate Step
-
Tailgate and bed rail protection caps, top
-
Bucket Seats
-
Leather Seats
-
Pass-Through Rear Seat
-
Rear Bench Seat
-
Driver Adjustable Lumbar
-
Power Driver Seat
-
Seat-Massage
-
Passenger Adjustable Lumbar
-
Power Passenger Seat
-
Heated Front Seat(s)
-
Cooled Front Seat(s)
-
Heated Rear Seat(s)
-
Mirror Memory
-
Seat Memory
-
Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
-
Floor Mats
-
Leather Steering Wheel
-
Heated Steering Wheel
-
Steering Wheel Audio Controls
-
Adjustable Steering Wheel
-
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
-
Heads-Up Display
-
Rear Seat Reminder
-
GMC Premium information Display- 13.4" diagonal Multicolour touch screen
-
Exterior Temperature Display, located in radio display
-
Compass, located in instrument cluster
-
Power Windows
-
Rear Defrost
-
Sliding Rear Window
-
Power Door Locks
-
Keyless Entry
-
Keyless Start
-
Remote Engine Start
-
Adaptive Cruise Control
-
Cruise Control
-
Universal Garage Door Opener
-
Wireless Charging
-
Security System
-
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
-
Auxiliary Audio Input
-
MP3 Player
-
Air vents, rear
-
A/C
-
Climate Control
-
Multi-Zone A/C
-
Auto-Dimming Rearview Mirror
-
Back-Up Camera
-
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
-
8 Cylinder Engine
-
Diesel Fuel
-
Turbocharged
-
10-Speed A/T
-
A/T
-
Rear axle, 3.42 ratio (Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
-
Running Boards/Side Steps
-
GVWR, 11,350 lbs. (5148 kg) (Requires TK20743 Crew Cab model, (L5P) Duramax 6.6L Turbo-Diesel V8 engine, with 20" or 22" wheels and tires. Not available with (NHT) Max Trailering Package.)
-
Keyless Start
-
Engine block heater
-
Hill Descent Control
-
Transfer case, two-speed active, electronic Autotrac with push button control
-
Locking/Limited Slip Differential
-
Four Wheel Drive
-
Cooling, external engine oil cooler
-
Cooling, auxiliary external transmission oil cooler
-
Air filter, heavy-duty
-
Air filtration monitoring
-
Battery, heavy-duty dual 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.)
-
Alternator, 220 amps
-
Trailer brake controller, integrated
-
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.)
-
Tow Hooks
-
Skid Plates protect the oil pan, front axle and transfer case
-
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
-
Suspension, Off-Road includes twin-tube shocks
-
Power Steering
-
4-Wheel Disc Brakes
-
ABS
-
Exhaust brake
-
Brake lining wear indicator
-
Capped Fuel Fill
-
Back-Up Camera
-
Heads-Up Display
-
X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
-
Automatic Highbeams
-
Front Collision Mitigation
-
Front Collision Warning
-
Lane Departure Warning
-
Tow Hitch
-
ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
-
Front Collision Mitigation
-
Front Collision Warning
-
Stability Control
-
Traction Control
-
Daytime Running Lights
-
Driver Air Bag
-
Front Head Air Bag
-
Front Side Air Bag
-
Passenger Air Bag
-
Passenger Air Bag Sensor
-
Rear Head Air Bag
-
Requires Subscription
-
Telematics
-
Rear Parking Aid
-
Aerial View Display System
-
Back-Up Camera
-
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
-
Trailer Camera Provisions and trailer viewing software
-
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
-
Lane Departure Warning
-
Rear Seat Belt Indicator
-
Cross-Traffic Alert
-
Blind Spot Monitor
-
Seat Belt Adjustable Guide Loops, front row only
-
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.)
-
Safety Alert Seat
-
Driver Restriction Features
-
Tire Pressure Monitor
-
Trailer 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 Accessories
-
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
No matches were found.
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Vehicle NameGMC Sierra 2500HD
-
Body StyleCrew Cab Pickup
-
Body CodeE63
-
DrivetrainFour Wheel Drive
-
Trans Order CodeMGM
-
Trans Type10
-
Trans Description Cont.Automatic
-
First Gear Ratio (:1)4.54
-
Second Gear Ratio (:1)2.87
-
Third Gear Ratio (:1)2.06
-
Fourth Gear Ratio (:1)1.72
-
Fifth Gear Ratio (:1)1.48
-
Sixth Gear Ratio (:1)1.26
-
Seventh Gear Ratio (:1)1.00
-
Eighth Gear Ratio (:1)0.85
-
Ninth Gear Ratio (:1)0.69
-
Tenth Gear Ratio (:1)0.63
-
Reverse Ratio (:1)4.54
-
Transfer Case Gear Ratio (:1), High1
-
Passenger Capacity5
-
Front Head Room (in)43.03
-
Front Leg Room (in)44.53
-
Front Shoulder Room (in)66.02
-
Front Hip Room (in)61.18
-
Second Head Room (in)40.12
-
Second Leg Room (in)43.4
-
Second Shoulder Room (in)65.3
-
Second Hip Room (in)60.24
-
Gross Axle Wt Rating - Front (lbs)5600
-
Gross Axle Wt Rating - Rear (lbs)6600
-
Curb Weight - Front (lbs)4023
-
Curb Weight - Rear (lbs)2822
-
Gross Vehicle Weight Rating Cap (lbs)11350
-
Gross Combined Wt Rating (lbs)27500
-
Dead Weight Hitch - Max Trailer Wt. (lbs)5000
-
Dead Weight Hitch - Max Tongue Wt. (lbs)500
-
Wt Distributing Hitch - Max Trailer Wt. (lbs)18500
-
Wt Distributing Hitch - Max Tongue Wt. (lbs)1850
-
Fifth Wheel Hitch - Max Trailer Wt. (lbs)17200
-
Fifth Wheel Hitch - Max Tongue Wt. (lbs)4300
-
Maximum Trailering Capacity (lbs)20000
-
Engine Order CodeL5P
-
Engine TypeTurbocharged Diesel V8
-
Displacement6.6L
-
Fuel SystemDirect Injection
-
SAE Net Horsepower @ RPM470 @ 2800
-
SAE Net Torque @ RPM975 @ 1600
-
Engine Oil CoolerYes
-
Cold Cranking Amps @ 0° F (Primary)730
-
Maximum Alternator Capacity (amps)220
-
Frame TypeBox Ladder
-
Suspension Type - FrontShort/Long Arm w/Torsion Bar
-
Suspension Type - Rear2-Stage Multi-Leaf
-
Axle Ratio (:1) - Front3.42
-
Axle Ratio (:1) - Rear3.42
-
Shock Absorber Diameter - Front (mm)51
-
Shock Absorber Diameter - Rear (mm)51
-
Stabilizer Bar Diameter - Front (in)1.38
-
Front Tire Order CodeQF9
-
Rear Tire Order CodeQF9
-
Spare Tire Order CodeZYG
-
Front Tire SizeLT275/65R20
-
Rear Tire SizeLT275/65R20
-
Spare Tire SizeLT275/70R18
-
Front Wheel Size (in)20
-
Rear Wheel Size (in)20
-
Spare Wheel Size (in)18
-
Front Wheel MaterialAluminum
-
Rear Wheel MaterialAluminum
-
Steering TypePwr Recirculating Ball
-
Turning Diameter - Curb to Curb (ft)52.7
-
Brake TypePwr
-
Brake ABS System4-Wheel
-
Disc - FrontYes
-
Disc - RearYes
-
Front Brake Rotor Diam x Thickness (in)14 x 1.6
-
Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
-
Fuel Tank Capacity, Approx (L)136
-
Wheelbase (in)158.94
-
Length, Overall (in)250.75
-
Width, Max w/o mirrors (in)81.85
-
Height, Overall (in)79.82
-
Cab to Axle (in)42.17
-
Ground Clearance, Front (in)10.28
-
Ground Clearance, Rear (in)10.28
-
Cargo Box Length @ Floor (in)82.2
-
Cargo Box Width @ Floor (in)71.4
-
Cargo Box Width @ Wheelhousings (in)51.85
-
Cargo Box (Area) Height (in)21
-
Cargo Volume (ft³)69.5
No matches were found.
* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2025 GMC Sierra 2500HD Denali Ultimate may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.