Name: 2025 GMC Sierra 3500HD 4WD Regular Cab Long Box Pro
Brand: GMC
SKU: 261956
Price: 84417 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

1GT3USEY6SF111082

Stock #

261956

Condition

New

Trim Details

4WD Regular Cab Long Box Pro

The 2025 GMC Sierra 3500HD Pro is a heavy-duty workhorse built for durability, power, and practicality. Outfitted with the legendary 6.6L Duramax Turbo-Diesel V8, 4WD, and equipped with the Convenience Package and 1SA Pro Safety Plus Package, this regular cab long box configuration is ideal for those who need serious towing capacity, safety features, and day-to-day comfort on the job.

Performance & Capability:

6.6L Duramax Turbo-Diesel V8 engine delivering 470 horsepower and 975 lb-ft of torque
Allison 10-speed automatic transmission for smooth, torque-optimized shifts
4-wheel drive (4WD) for maximum traction and control in all conditions
Heavy-duty long box for maximum cargo volume and utility
High towing and payload ratings, ideal for trailers, equipment, and commercial use

Convenience Package Features:

Remote keyless entry for added ease of use
Cruise control for comfort on long drives or work routes
Power windows and door locks for added functionality
Rear-window defogger for improved visibility in cold or wet conditions

1SA Pro Safety Plus Package Includes:

Forward Collision Alert with Automatic Emergency Braking
Lane Departure Warning to help prevent unintentional drifting
Following Distance Indicator to manage safe spacing in traffic
IntelliBeam auto high beam headlamps for better nighttime driving

Interior & Practicality:

Front 40/20/40 split-bench seat allowing seating for up to three occupants
Vinyl seating surfaces for easy cleaning and wear resistance
Integrated trailer brake controller for safer towing performance
Ample cabin storage compartments and practical dashboard layout

Exterior & Utility:

Regular cab with long box configuration for optimal bed length and maneuverability
Heavy-duty front and rear bumpers with integrated corner steps
LED signature lighting and high-visibility halogen headlamps
Bed tie-downs and stake pockets for securing cargo

The 2025 GMC Sierra 3500HD Pro 4WD Regular Cab Long Box with the 6.6L Duramax, Convenience Package, and 1SA Pro Safety Plus Package is a ready-for-anything HD pickup that balances serious power with essential safety and comfort features—perfect for professionals, fleet managers, and anyone needing reliable heavy-duty capability.

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, 11,800 Lbs. (5352 Kg) With Single Rear Wheels • JGQ
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
Convenience Package • PCI

includes (QT5) EZ Lift power lock and release tailgate, (AKO) tinted glass, (UF2) LED cargo bed lighting and (C49) rear-window defogger. Note: when (G9Y) 14,000 lbs. (6350 kg) with dual rear wheels is ordered, (DWI) Mirrors, outside power-adjustable vertical trailering will be required.
Engine Block Heater • K05
Alternator, 220 Amps • KW5
Skid Plates • NZZ

protect the oil pan, front axle and transfer case
Exhaust Brake • K40
Lpo, Front And Rear Moulded Splash Guards, Black • VQK

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

Pickup bedliner (does not include spray-on liner on tailgate due to Black composite inner panel)
Lpo, Cargo Tie-Down Rings, Set Of 4 • 5VI

(dealer-installed)
Winter Grille Cover • BHP
Led Cargo Area Lighting • UF2

located in cargo bed activated with switch on centre switch bank or key fob
Glass, Deep-Tinted • AKO
Floor Covering, Colour-Keyed Carpeting • B30
Lpo, All-Weather Floor Liner, 1St And 2Nd Rows • RIA

(dealer-installed)
Power Outlet, Bed Mounted, 120-Volt • KC9

(400 watts shared with (KI4) instrument panel mounted power outlet)
Defogger, Rear-Window Electric • C49
Mirror, Inside Rearview Auto-Dimming • DD8
Rear Cross Traffic Alert • UFG
Lane Change Alert With Side Blind Zone Alert • UKC

No matches were found.

Options

Air Conditioning
Brake Assist
Power Windows

No matches were found.

Entertainment

AM/FM Stereo
Auxiliary Audio Input
Bluetooth Connection
MP3 Player
Smart Device Integration
Audio system feature, 2-speakers (Requires Regular Cab model.)
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
Heated Mirrors
Integrated Turn Signal Mirrors
Power Mirror(s)
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
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
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
GVWR, 11,300 lbs. (5126 kg) with single rear wheels (Included and only available with TC30953 or TK30903 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
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.)
Driver Restriction Features
Tire Pressure Monitor

No matches were found.

Summary

Vehicle Name

GMC Sierra 3500HD
Body Style

Regular 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

3
Front Head Room (in)

43.11
Front Leg Room (in)

44.53
Front Shoulder Room (in)

66.06
Front Hip Room (in)

60.9

Weight information

Gross Axle Wt Rating - Front (lbs)

5200
Gross Axle Wt Rating - Rear (lbs)

7250
Curb Weight - Front (lbs)

3827
Curb Weight - Rear (lbs)

2777
Gross Vehicle Weight Rating Cap (lbs)

11800
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)

14500
Wt Distributing Hitch - Max Tongue Wt. (lbs)

1450
Fifth Wheel Hitch - Max Trailer Wt. (lbs)

22050
Fifth Wheel Hitch - Max Tongue Wt. (lbs)

5512
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)

46.9
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)

141.55
Length, Overall (in)

236.30
Width, Max w/o mirrors (in)

81.75
Height, Overall (in)

80.94
Cab to Axle (in)

55.24
Ground Clearance, Front (in)

11.22
Ground Clearance, Rear (in)

11.22

Cargo area dimensions

Cargo Box Length @ Floor (in)

98.27
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.