Name: 2025 GMC Sierra 3500HD 4WD Crew Cab Standard Box SLT
Brand: GMC
SKU: 300521
Price: 108797 CAD
Availability: InStock

Vehicle Details

Body Style

Truck

Engine

6.6L 8Cyl

Exterior Colour

White

Interior Colour

Brown

Transmission

Automatic

Drivetrain

4×4

Doors

VIN

1GT4UUEY6SF281524

Stock #

300521

Condition

New

Trim Details

4WD Crew Cab Standard Box SLT

The 2025 GMC Sierra 3500HD SLT is a premium heavy-duty pickup truck that blends powerful performance, advanced safety features, and refined comfort. Equipped with the 6.6L Duramax Turbo-Diesel V8, this truck is ready to tackle demanding work or weekend adventures. With the SLT Convenience Package, SLT Preferred Package, and Sierra HD Pro Safety Plus Package, it’s loaded with upscale touches and cutting-edge tech.

Performance & 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 durable shifting
Exceptional towing and payload capabilities for heavy-duty jobs
Automatic locking rear differential for increased traction in rugged terrain
Available 4WD with selectable drive modes

SLT Convenience Package Includes:

Heated and ventilated front leather seats for year-round comfort
Heated rear outboard seats for added passenger luxury
Power-sliding rear window with defogger
Rear under-seat storage and 60/40 folding bench
LED cargo bed lighting

SLT Preferred Package Includes:

Remote start system for added convenience
Power-adjustable pedals with memory settings
Driver memory function for seat, mirror, and pedal positions
Power-folding and heated trailering mirrors with auto-dimming
Wireless charging pad
Adaptive cruise control

Sierra HD Pro Safety Plus Package Includes:

Lane Change Alert with Side Blind Zone Alert
Rear Cross Traffic Alert
Front and Rear Park Assist
HD Surround Vision with 360° camera views
Trailer Side Blind Zone Alert

Interior Comfort & Technology:

10-way power-adjustable front seats with lumbar support
Dual-zone automatic climate control
13.4-inch GMC Infotainment system with Google built-in
12.3-inch digital driver display and Head-Up Display
Bose premium sound system for immersive audio
Apple CarPlay and Android Auto (wireless)
Multiple USB ports and power outlets

Exterior Highlights:

Bold chrome SLT grille and body-color bumpers
LED headlamps, taillamps, and daytime running lights
20-inch polished aluminum wheels
Spray-on bedliner and MultiPro Tailgate with six configurable functions
Integrated bed steps and trailering mirrors

The 2025 GMC Sierra 3500HD SLT with the Duramax engine and these premium packages offers hardworking power with the comfort and safety features of a luxury truck. Whether you're hauling a heavy load or heading out on a long haul, this Sierra delivers confidence, capability, and comfort in every mile.

Packages & Options

Standard Equipment

Technical Specifications

Installed Packages

Slt Preferred Equipment Group • 4SA

includes standard equipment
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, 12,100 Lbs. (5488 Kg) With Single Rear Wheels • G4Y
Rear Axle, 3.42 Ratio • GU6
Wheels, 20" (50.8 Cm) Bright Face Wheels With Dark Painted Pockets • Q7J
Tires, Lt275/65R20 All-Terrain, Blackwall • QF9
Summit White • GAZ
Seats, Front Bucket With Centre Console • A50
Dark Walnut/Slate, Perforated Leather-Appointed Front Outboard Seating Positions • HVE
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.
Slt Convenience Package • PCY

includes (A50) bucket seats with (D07) centre console, (KQV) ventilated front seats, (UBC) 2 USB Charge/Data ports first row inside centre console, (K4C) Wireless Charging and (UQA) Bose Premium Audio System; Single rear wheel models also include (U01) Roof Marker Lamps
Sierra Hd Pro Safety Plus Package • PED

includes (UKV) Trailer Side Blind Zone Alert, (UFG) Rear Cross Traffic Alert, (UVN) Bed View Camera, (UV2) HD Surround Vision, (UD5) Front and rear park assist and (TRG) Trailer Camera Provisions Includes (HS1) Safety Alert Seat.)
Slt Preferred Package • PDY

includes (KA6) rear heated seats, (A48) rear sliding power window, (UG1) Universal Home Remote and (KSG) Adaptive Cruise Control
Engine Block Heater • K05
Alternator, 220 Amps • KW5
Skid Plates • NZZ

protect the oil pan, front axle and transfer case
Exhaust Brake • K40
Assist Steps, Chromed Tubular, 6" Rectangular Cab Length • BVQ

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

Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)
Winter Grille Cover • BHP
Lamps, Smoked Amber Roof Marker, (Led) • U01
Window, Power, Rear Sliding • A48

with rear defogger
Bose Sound System, Premium 7-Speaker System • UQA

with Richbass woofer
Seats, Ventilated Driver And Front Passenger • KQV
Seats, Heated Second Row Outboard Seats • KA6
Centre Console, Floor-Mounted • D07

with cup holders, cell phone storage, power cord management, hanging file folder capability
Adaptive Cruise Control • KSG
Universal Home Remote • UG1
Wireless Charging • K4C
Usb Ports, 2, Charge/Data Ports Located Inside Centre Console • UBC
Hd Surround Vision • UV2

provides the driver with an overhead view of the scene around the vehicle on a centre stack display. Includes front camera washer.
Bed View Camera • UVN

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 • TRG
Rear Cross Traffic Alert • UFG
Trailer Side Blind Zone Alert • UKV
Safety Alert Seat • HS1
3 Years Siriusxm • R6P

No matches were found.

Options

Air Conditioning
Backup Camera
Bluetooth Connection
Cruise Control
Heated Seats
Keyless Entry
Lane Assist
Leather Seats
Navigation System
Power Seats
Power Windows
Remote Start
Running Boards
Satellite Radio
Smart Device Integration
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
Audio system feature, 6-speaker 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
Bumper, front chrome lower
Bumper, rear chrome with bumper CornerSteps
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Mouldings, beltline, stainless steel
Wheelhouse liners, rear (Not available with dual rear wheel models.)
Grille, Chrome surround with chrome insert bars
Daytime Running Lights
LED Headlights
Automatic Highbeams
Fog Lamps
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
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
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

Interior

Split Bench Seat
Leather Seats
Driver Adjustable Lumbar
Power Driver Seat
Passenger Adjustable Lumbar
Power Passenger Seat
Pass-Through Rear Seat
Rear Bench Seat
Heated Front Seat(s)
Mirror Memory
Seat Memory
Floor Mats
Steering wheel, wrapped
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
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
Cruise Control
Security System
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Auxiliary Audio Input
MP3 Player
USB ports, (2) charge-only, rear
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
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
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Running Boards/Side Steps
Keyless Start
Air filter, heavy-duty
Air filtration monitoring
Transfer case, two-speed active electronic Autotrac with push button control (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.)
Trailer brake controller, integrated
Tow Hooks
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Suspension Package (Not available with (X31) Off-Road Package.)
Power Steering
4-Wheel Disc Brakes
ABS
Brake lining wear indicator
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)

Package

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

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
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
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Lane Departure Warning
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
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)

7250
Curb Weight - Front (lbs)

4041
Curb Weight - Rear (lbs)

2938
Gross Vehicle Weight Rating Cap (lbs)

12100
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)

21600
Fifth Wheel Hitch - Max Tongue Wt. (lbs)

5400
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

QF9
Rear Tire Order Code

QF9
Spare Tire Order Code

ZYG
Front Tire Size

LT275/65R20
Rear Tire Size

LT275/65R20
Spare Tire Size

LT275/70R18

Wheels

Front Wheel Size (in)

20 x 8.5
Rear Wheel Size (in)

20 x 8.5
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)

52.7
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)

158.94
Length, Overall (in)

250.75
Width, Max w/o mirrors (in)

81.85
Height, Overall (in)

80.87
Cab to Axle (in)

42.17
Ground Clearance, Front (in)

11.18
Ground Clearance, Rear (in)

11.18

Cargo area dimensions

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.