1 of 49
2025 GMC Sierra 3500HD Pro
Image 0
Image 1
Image 2
Image 3
Image 4
Image 5
Image 6
Image 7
Image 8
Image 9
Image 10
Image 11
Image 12
Image 13
Image 14
Image 15
Image 16
Image 17
Image 18
Image 19
Image 20
Image 21
Image 22
Image 23
Image 24
Image 25
Image 26
Image 27
Image 28
Image 29
Image 30
Image 31
Image 32
Image 33
Image 34
Image 35
Image 36
Image 37
Image 38
Image 39
Image 40
Image 41
Image 42
Image 43
Image 44
Image 45
Image 46
Image 47
Image 48
Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
Black
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
6025-243
Trim Details
4WD Crew Cab Long Box Pro
025 GMC Sierra 3500 HD Pro Diesel – Built to Work. Ready for Anything.
When the job demands serious strength, the 2025 GMC Sierra 3500 HD Pro Diesel delivers. Powered by the legendary Duramax® 6.6L Turbo-Diesel V8, this heavy-duty truck is engineered for maximum capability, durability, and control—whether you're towing, hauling, or tackling tough terrain.
Key Features:
6.6L Duramax® Turbo-Diesel V8 Engine 470 horsepower and 975 lb-ft of torque for exceptional towing and payload performance
Allison® 10-Speed Automatic Transmission Smooth, efficient power delivery with enhanced durability
Heavy-Duty 4x4 Capability Built to handle rough worksites, off-road conditions, and harsh weather
Pro Trim Package Durable vinyl or cloth interior, easy-clean surfaces, and practical features designed for hard work
Advanced Trailering Technology Includes integrated trailer brake controller, hitch guidance, and available transparent trailer view
Durabed with 12 Standard Tie-Downs Best-in-class cargo bed volume and functionality
Infotainment System with 7" Touchscreen Apple CarPlay®, Android Auto™, Bluetooth®, and rear vision camera
Safety Essentials Includes Forward Collision Alert, Lane Departure Warning, and Automatic Emergency Braking
Why Choose the 2025 Sierra 3500 HD Pro Diesel?
This truck is built for professionals who need uncompromising power, reliability, and utility. Whether you're towing heavy equipment, navigating job sites, or heading into the backcountry, the Sierra 3500 HD Pro Diesel is your trusted partner for the long haul.
VSA #10374
Packages & Options
Standard Equipment
Technical Specifications
-
AM/FM Stereo
-
Auxiliary Audio Input
-
Bluetooth Connection
-
MP3 Player
-
Smart Device Integration
-
WiFi Hotspot
-
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.)
-
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
-
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
-
Automatic Highbeams
-
Front Collision Mitigation
-
Front Collision Warning
-
Lane Departure Warning
-
Tow Hitch
-
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)
-
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.
-
Vehicle NameGMC Sierra 3500HD
-
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
-
Passenger Capacity6
-
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)7250
-
Curb Weight - Front (lbs)4209
-
Curb Weight - Rear (lbs)2870
-
Gross Vehicle Weight Rating Cap (lbs)12250
-
Gross Combined Wt Rating (lbs)30000
-
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 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)720
-
Maximum Alternator Capacity (amps)220
-
Frame TypeHydroformed
-
Suspension Type - FrontShort/Long Arm w/Torsion Bars
-
Suspension Type - Rear3-Stage Multi-Leaf
-
Axle Type - FrontIndependent
-
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 CodeQF6
-
Rear Tire Order CodeQF6
-
Spare Tire Order CodeZYG
-
Front Tire SizeLT275/70R18
-
Rear Tire SizeLT275/70R18
-
Spare Tire SizeLT275/70R18
-
Front Wheel Size (in)18 x 8
-
Rear Wheel Size (in)18 x 8
-
Spare Wheel Size (in)18 x 8
-
Front Wheel MaterialAluminum
-
Rear Wheel MaterialAluminum
-
Spare Wheel MaterialSteel
-
Steering TypePwr Recirculating Ball
-
Steering Ratio (:1), At LockN/A
-
Turning Diameter - Curb to Curb (ft)57.0
-
Turning Diameter - Wall to Wall (ft)N/A
-
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)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 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.
Find Us
Similar Vehicles
4WD Crew Cab Standard Box LTZ
4WD Crew Cab Standard Box LT
4WD Crew Cab Long Box Pro
VIN: 1GT4USEY3TF142831
Crew Cab Standard Box 4-Wheel Drive LT Trail Boss
VIN: 3GCUKFE83TG149600
City: 11L/100 km • Hwy: 9.9L/100 km
4WD Crew Cab Standard Box AT4