Name: 2025 GMC Sierra 3500HD 4WD Crew Cab Long Box Pro
Brand: GMC
SKU: 300251
Price: 86529 CAD
Availability: InStock

Vehicle Details

Body Style

Truck

Engine

6.6L 8Cyl

Exterior Colour

White

Interior Colour

Black

Transmission

Automatic

Drivetrain

4×4

Doors

VIN

1GT4USEY3SF252325

Stock #

300251

Condition

New

Trim Details

4WD Crew Cab Long Box Pro

The 2025 GMC Sierra 3500HD Pro with 4WD and Long Box configuration is a heavy-duty workhorse built for power, utility, and capability. Powered by the proven 6.6L Duramax V8 turbo diesel engine, it’s designed to tackle demanding jobs while delivering trusted GMC reliability and performance.

Powertrain & Capability:

6.6L Duramax Turbo Diesel V8 engine with 470 hp and 975 lb-ft of torque
Allison 10-speed automatic transmission for smooth and efficient towing
4WD (Four-Wheel Drive) for confident handling in rough terrain or adverse weather
Long Box configuration for maximum cargo capacity and hauling versatility
High towing and payload capacities, ideal for commercial and trailer hauling needs

Exterior Features:

Bold GMC Pro grille with blacked-out accents and rugged styling
Heavy-duty trailering mirrors with integrated turn signal indicators
Bed steps and corner bumper steps for easy access to the cargo area
Durable steel wheels for heavy-duty job site conditions
Integrated trailer brake controller and tow hooks for added utility

Interior & Comfort:

Durable cloth seating surfaces designed for work-ready durability
Front 40/20/40 split-bench seat
Rubberized vinyl floor covering for easy cleanup
Manual climate control system for straightforward comfort
Ample cabin storage including door pockets and overhead console

Technology & Safety:

7-inch GMC Infotainment System with Apple CarPlay and Android Auto
Rear Vision Camera for safer reversing and trailer alignment
Bluetooth connectivity for hands-free calls and media
Forward Collision Alert and Lane Departure Warning
Adaptive cruise control
HD rear vision camera

Utility & Work-Ready Features:

Upfitter switches for auxiliary equipment installations

The 2025 GMC Sierra 3500HD Pro 4WD Long Box with the 6.6L Duramax diesel engine is the ideal choice for those who demand serious power, hauling confidence, and dependable performance. Whether for commercial use or demanding personal tasks, it’s a rugged and capable truck ready to deliver.

Packages & Options

Standard Equipment

Technical Specifications

Installed Packages

Pro Preferred Equipment Group • 1SA

includes standard equipment
Pickup Bed • E63

includes bed assist step
Single Rear Wheels • SRW
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.)
Transmission, Allison 10-Speed Automatic • MGM
Gvwr, 12,250 Lbs. (5557 Kg) With Single Rear Wheels • JGT
Rear Axle, 3.42 Ratio • GU6
Wheels, 18" (45.7 Cm) 8-Spoke Painted Steel, Silver Extended • PYT
Tires, Lt275/70R18E All-Terrain, Blackwall • QF6
Tire, Spare Lt275/70R18 All-Terrain, Blackwall • ZYG
Summit White • GAZ
Seats, Front 40/20/40 Split-Bench • AZ3
Jet Black, Vinyl Seat Trim • H2G
Audio System, Gmc Infotainment System With 7" Diagonal Colour Touch-Screen, Am/Fm Stereo • IOR

with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable
X31 Off-Road Package • X31

includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension, Twin-tube Rancho shocks and X31 hard badge
Engine Block Heater • K05
High Idle Switch • UF3
Alternator, 220 Amps • KW5
Trailering Wiring Provisions • UY2

for trailering, 5th wheel and gooseneck trailer, includes additional 7-way wiring harness located at the rear of the pickup bed attached to the rear frame cross member
Skid Plates • NZZ

protect the oil pan, front axle and transfer case
Exhaust Brake • K40
Lpo, Black Assist Step • VQO

(dealer-installed)
Bed Liner, Spray-On • CGN

Pickup bedliner (does not include spray-on liner on tailgate due to Black composite inner panel)
Winter Grille Cover • BHP
Adaptive Cruise Control • KSG
Upfitter Switch Kit, (5) • 9L7

Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com.
Defogger, Rear-Window Electric • C49
Hill Descent Control • JHD

No matches were found.

Options

Air Conditioning
Bluetooth Connection
Cruise Control
Keyless Entry
Lane Assist
Power Windows
Running Boards
Smart Device Integration
Wi-Fi Hotspot

No matches were found.

Entertainment

AM/FM Stereo
Auxiliary Audio Input
Bluetooth Connection
MP3 Player
Smart Device Integration
WiFi Hotspot

Exterior

Steel 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 (Deleted with (ZW9) pickup bed delete.)
Bumper, front chrome lower
Bumper, rear chrome with bumper CornerSteps
CornerStep, rear bumper
Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Grille, Chrome with flat black grille insert bars
Daytime Running Lights
LED Headlights
Automatic Highbeams
Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps (Requires single rear wheels.)
Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
Mirrors, outside high-visibility vertical trailering lower convex mirrors, manual-folding/extending (extends 3.31" [84.25mm]), moulded in Black (Not available on Regular Cab models.)
Glass, solar absorbing, tinted
Door handles, Black grained
Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)

Interior

Split Bench Seat
Vinyl Seats
Seat adjuster, driver 4-way manual
Seat adjuster, passenger 4-way manual
Pass-Through Rear Seat
Rear Bench Seat
Floor Mats
Steering wheel, urethane
Adjustable Steering Wheel
Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Driver Information Centre, 3.5" diagonal monochromatic display
Exterior Temperature Display located in radio display
Compass, located in instrument cluster
Power Windows
Power Door Locks
Keyless Entry
Cruise Control
Power Outlet
Auxiliary Audio Input
MP3 Player
A/C
Air vents, rear (Not available with Regular Cab model.)
Mirror, inside rearview, manual tilt
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted

Mechanical

8 Cylinder Engine
Gasoline Fuel
10-Speed A/T
A/T
Running Boards/Side Steps
Keyless Start
Air filter, heavy-duty
Air filtration monitoring
Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
Locking/Limited Slip Differential
Four Wheel Drive
Cooling, external engine oil cooler
Cooling, auxiliary external transmission oil cooler
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.)
Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
Tow Hooks
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Power Steering
4-Wheel Disc Brakes
ABS
Brake lining wear indicator

Package

Automatic Highbeams
Front Collision Mitigation
Front Collision Warning
Lane Departure Warning
Tow Hitch

Processing-other

Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)

Safety

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
Back-Up Camera
Lane Departure Warning
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
Driver Restriction Features
Seat Belt Adjustable Guide Loops, front row only (Included and only available on Crew Cab and Double Cab models. Not available with (ZW9) pickup bed delete.)
Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
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

6
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)

7250
Curb Weight - Front (lbs)

4209
Curb Weight - Rear (lbs)

2870
Gross Vehicle Weight Rating Cap (lbs)

12250
Gross Combined Wt Rating (lbs)

30000

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)

21460
Fifth Wheel Hitch - Max Tongue Wt. (lbs)

5365
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)

220

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

Steel
Rear Wheel Material

Steel
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)

14.1 x 1.3

Fuel tank

Fuel Tank Capacity, Approx (L)

136

Exterior dimensions

Wheelbase (in)

172
Length, Overall (in)

266.77
Width, Max w/o mirrors (in)

81.85
Height, Overall (in)

80.67
Cab to Axle (in)

55.24
Ground Clearance, Front (in)

11.14
Ground Clearance, Rear (in)

11.14

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.