Name: 2025 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate
Brand: GMC
SKU: 300381
Price: 130304 CAD
Availability: InStock

Vehicle Details

Body Style

Truck

Engine

6.6L 8Cyl

Exterior Colour

Gray

Interior Colour

Tan

Transmission

Automatic

Drivetrain

4×4

Doors

VIN

1GT4UYEY7SF262892

Stock #

300381

Condition

New

Trim Details

4WD Crew Cab Long Box Denali Ultimate

The 2025 GMC Sierra 3500HD Denali Ultimate Dually is the pinnacle of heavy-duty luxury trucks, combining formidable performance with top-tier comfort and advanced technology. Designed for those who demand exceptional towing capabilities without compromising on luxury, this truck stands out in its class.

Performance & Capability:

Duramax 6.6L Turbo-Diesel V8 Engine: Delivers 470 horsepower and 975 lb.-ft. of torque, providing robust power for heavy-duty tasks.
Allison 10-Speed Automatic Transmission: Ensures smooth and efficient power delivery across various driving conditions.
Maximum Towing Capacity: Capable of towing up to 36,000 lbs when properly equipped, making it ideal for hauling heavy loads.
Dual Rear Wheels (Dually): Enhances stability and load-bearing capacity, crucial for heavy towing and payloads.
Adaptive Cruise Control with Trailering: Adjusts speed to maintain a safe distance from vehicles ahead, considering the added drag and braking distances when towing.

Exterior Features:

Signature Vader Chrome Grille: Provides a distinctive and bold front fascia exclusive to the Denali Ultimate trim.
18" Ultra-Bright Machined Aluminum Wheels: Features gloss-black inserts, adding to the truck's commanding presence.
LED Projector Headlamps: Includes GMC's signature animated lighting sequences for enhanced visibility and style.
MultiPro Tailgate with Audio System by KICKER: Offers six functions to improve loading, unloading, and access to the cargo bed, with an integrated audio system for entertainment.
Illuminated Power Assist Steps: Provides easy cabin access with a touch of sophistication.

Interior Comfort & Luxury:

Exclusive Alpine Umber Interior: Features full-grain leather seating, authentic open-pore Paldao wood, and premium materials throughout the cabin.
16-Way Power Front Seats with Massage Feature: Offers best-in-class comfort for long drives and demanding workloads.
Heated and Ventilated Front Seats: Ensures optimal comfort in varying climates.
Dual-Zone Automatic Climate Control: Allows personalized temperature settings for driver and passenger.
Bose Premium Sound System: Delivers an immersive audio experience with Centerpoint surround sound.

Technology & Connectivity:

13.4" Diagonal Center Touchscreen: Serves as the hub for the GMC Infotainment System, offering intuitive access to navigation, media, and vehicle settings.
12.3" Diagonal Digital Driver Information Center: Provides customizable vehicle data and alerts in high-resolution clarity.
Wireless Apple CarPlay & Android Auto Compatibility: Enables seamless smartphone integration for hands-free communication and entertainment.
Head-Up Display (HUD): Projects key information onto the windshield, allowing drivers to stay informed without taking their eyes off the road.
Wi-Fi Hotspot Capability: Keeps passengers connected on the go (data plan required).

Advanced Safety & Driver Assistance:

GMC Pro Safety Plus Suite: Includes features such as Forward Collision Alert, Automatic Emergency Braking, Lane Keep Assist with Lane Departure Warning, and more to enhance driver confidence.
HD Surround Vision: Provides a 360-degree view around the vehicle to assist with parking and low-speed maneuvering.
Rear Cross Traffic Alert: Warns of approaching traffic when reversing.
Blind Zone Alert: Monitors and alerts the driver to vehicles in the blind spots.

Cargo & Utility:

Spacious Cargo Bed: Offers ample room for hauling equipment, tools, or recreational gear.
Integrated Bed Steps: Facilitates easy access to the cargo area.
120V Power Outlet in the Bed: Provides convenient power for tools and devices on the go.

The 2025 GMC Sierra 3500HD Denali Ultimate Dually stands as a testament to GMC's commitment to blending strength with sophistication. Whether towing heavy loads or cruising in unparalleled comfort, this truck delivers on all fronts, making it an ideal choice for those who refuse to compromise between capability and luxury.

Packages & Options

Standard Equipment

Technical Specifications

Installed Packages

Denali Ultimate Preferred Equipment Group • 5SB

includes standard equipment
Dual Rear Wheels • DZW

includes LED hip marker lights
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)
Transmission, Allison 10-Speed Automatic • MGM
Gvwr, 14,000 Lbs. (6350 Kg) With Dual Rear Wheels • G9Y
Rear Axle, 3.42 Ratio • GU6
Wheels, 18" (45.7 Cm) Polished Forged Aluminum • Q21
Tires, Lt235/80R18 All-Terrain, Blackwall • QHY
Tire, Spare Lt235/80R18 Blackwall All-Terrain • ZAE
Titanium Rush Metallic • G6M
Seats, Front Bucket With Centre Console • A50
Alpine Umber, Full Grain Leather Seating Surfaces • H40
Audio System, 13.4" Diagonal Premium Gmc Infotainment System • IOK

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.
Lpo, Hitch Package • SNO

Gooseneck ball and chain tiedown kit with case, (dealer-installed)
High Idle Switch • UF3
Suspension Package • Z85
Lpo, Rear Wheelhouse Liners • S41

(dealer-installed)
Premium Floor Liners With Removable Carpet Insert, Front • BKF
Premium Floor Liners With Removable Carpet Insert, Rear • BKE

No matches were found.

Options

Air Conditioning
Alloy Wheels
Backup Camera
Bluetooth Connection
Cooled Seats
Cruise Control
Heads Up Display
Heated Seats
Keyless Entry
Lane Assist
Leather Seats
Navigation System
Parking Sensors
Power Seats
Power Windows
Remote Start
Running Boards
Satellite Radio
Smart Device Integration
Sunroof / Moonroof
Wi-Fi Hotspot

No matches were found.

Entertainment

AM/FM Stereo
Auxiliary Audio Input
Bluetooth Connection
MP3 Player
Navigation System
Smart Device Integration
Requires Subscription
Satellite Radio
Premium Sound System
WiFi Hotspot

Exterior

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, front, body-colour lower
Bumper, rear body-colour with bumper CornerSteps
CornerStep, rear bumper
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Power Retractable Running Boards
Running Boards/Side Steps
Mouldings, beltline, stainless steel
Wheelhouse liners, rear (Not available with dual rear wheel models.)
Bed Liner
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Grille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
Daytime Running Lights
LED Headlights
Automatic Highbeams
Fog Lamps
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse 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
Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels.)
Heated Mirrors
Integrated Turn Signal Mirrors
Power Folding Mirrors
Power Mirror(s)
Mirror caps, chrome
Intermittent Wipers
Rain Sensing Wipers
Variable Speed Intermittent Wipers
Privacy Glass
Rear Defrost
Sliding Rear Window
Door handles, chrome
Integrated Tailgate Step
Tailgate and bed rail protection caps, top
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Premium Sound System

Interior

Bucket Seats
Leather Seats
Driver Adjustable Lumbar
Power Driver Seat
Seat-Massage
Passenger Adjustable Lumbar
Power Passenger Seat
Pass-Through Rear Seat
Rear Bench 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 covering, colour-keyed carpeting
Floor Mats
Leather Steering Wheel
Heated Steering Wheel
Adjustable Steering Wheel
Steering Wheel Audio Controls
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
GMC Premium information Display- 13.4" diagonal Multicolour touch screen
Heads-Up Display
Exterior Temperature Display located in radio display
Compass, located in instrument cluster
Tire Pressure Monitor
Window, power front, drivers express up/down
Power Windows
Power Door Locks
Remote Engine Start
Keyless Entry
Keyless Start
Adaptive Cruise Control
Cruise Control
Universal Garage Door Opener
Security System
Wireless Charging
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
USB ports, (2) charge-only, rear
Auxiliary Audio Input
MP3 Player
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
A/C
Climate Control
Multi-Zone A/C
Rear Defrost
Auto-Dimming Rearview Mirror
Back-Up Camera
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted

Mechanical

8 Cylinder Engine
Diesel Fuel
Turbocharged
10-Speed A/T
A/T
Rear axle, 3.42 ratio
GVWR, 12,250 lbs. (5557 kg) with single rear wheels (Included and only available with TK30943 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Requires single rear wheels.)
Engine block heater
Keyless Start
Air filter, heavy-duty
Air filtration monitoring
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
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.)
Alternator, 220 amps
Tow Hooks
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Skid Plates protect the oil pan, front axle and transfer case
Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
Power Steering
4-Wheel Disc Brakes
ABS
Exhaust Brake
Capped Fuel Fill

Package

Back-Up Camera
Heads-Up Display
Automatic Highbeams
Front Collision Mitigation
Front Collision Warning
Lane Departure Warning
X31 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.)
Tow Hitch
ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App

Processing-other

Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering

Safety

Front Collision Mitigation
Front Collision Warning
Stability Control
Traction Control
Hill Descent Control (Not available with dual rear wheels.)
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
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Trailer Camera Provisions and trailer viewing software
Cross-Traffic Alert
Blind Spot Monitor
Lane Departure Warning
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Safety Alert Seat
Rear Seat Reminder
Driver Restriction Features
Seat Belt Adjustable Guide Loops, front row only
Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
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)
Tire Pressure Monitor

No matches were found.

Summary

Vehicle Name

GMC Sierra 3500HD
Body Style

Crew Cab Pickup
Body Code

E63

Transmission

Drivetrain

Four Wheel Drive
Trans Order Code

MGM
Trans Type

10
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

Interior dimensions

Passenger Capacity

5
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

Weight information

Gross Axle Wt Rating - Front (lbs)

5600
Gross Axle Wt Rating - Rear (lbs)

10400
Curb Weight - Front (lbs)

4209
Curb Weight - Rear (lbs)

2870
Gross Vehicle Weight Rating Cap (lbs)

14000
Gross Combined Wt Rating (lbs)

40000

Trailering

Dead Weight Hitch - Max Trailer Wt. (lbs)

5000
Dead Weight Hitch - Max Tongue Wt. (lbs)

500
Wt Distributing Hitch - Max Trailer Wt. (lbs)

20000
Wt Distributing Hitch - Max Tongue Wt. (lbs)

2000
Fifth Wheel Hitch - Max Trailer Wt. (lbs)

30700
Fifth Wheel Hitch - Max Tongue Wt. (lbs)

7675
Maximum Trailering Capacity (lbs)

20000

Engine

Engine Order Code

L5P
Engine Type

Turbocharged Diesel V8
Displacement

6.6L
Fuel System

Direct Injection
SAE Net Horsepower @ RPM

470 @ 2800
SAE Net Torque @ RPM

975 @ 1600
Engine Oil Cooler

Yes

Electrical

Cold Cranking Amps @ 0° F (Primary)

720
Maximum Alternator Capacity (amps)

170

Frame

Frame Type

Hydroformed

Suspension

Suspension Type - Front

Short/Long Arm w/Torsion Bars
Suspension Type - Rear

3-Stage Multi-Leaf
Axle Type - Front

Independent
Axle Ratio (:1) - Front

3.42
Axle Ratio (:1) - Rear

3.42
Shock Absorber Diameter - Front (mm)

51
Shock Absorber Diameter - Rear (mm)

51
Stabilizer Bar Diameter - Front (in)

1.38

Tires

Front Tire Order Code

QF6
Rear Tire Order Code

QF6
Spare Tire Order Code

ZYG
Front Tire Size

LT275/70R18
Rear Tire Size

LT275/70R18
Spare Tire Size

LT275/70R18

Wheels

Front Wheel Size (in)

18 x 8
Rear Wheel Size (in)

18 x 8
Spare Wheel Size (in)

18 x 8
Front Wheel Material

Aluminum
Rear Wheel Material

Aluminum
Spare Wheel Material

Steel

Steering

Steering Type

Pwr Recirculating Ball
Steering Ratio (:1), At Lock

N/A
Turning Diameter - Curb to Curb (ft)

57.0
Turning Diameter - Wall to Wall (ft)

N/A

Brakes

Brake Type

Pwr
Brake ABS System

4-Wheel
Disc - Front

Yes
Disc - Rear

Yes
Front Brake Rotor Diam x Thickness (in)

14 x 1.6
Rear Brake Rotor Diam x Thickness (in)

14 x 1.6

Fuel tank

Fuel Tank Capacity, Approx (L)

136

Exterior dimensions

Wheelbase (in)

172
Length, Overall (in)

266.77
Width, Max w/o mirrors (in)

96.6
Height, Overall (in)

80.3
Cab to Axle (in)

55.24
Ground Clearance, Front (in)

10.39
Ground Clearance, Rear (in)

10.39

Cargo area dimensions

Cargo Box Length @ Floor (in)

98.22
Cargo Box Width @ Floor (in)

71.4
Cargo Box Width @ Wheelhousings (in)

50.55
Cargo Box (Area) Height (in)

21
Cargo Volume (ft³)

83.5

No matches were found.