Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
4325-306
Fuel Type
Diesel
Trim Details
4WD Crew Cab Long Box Pro
Description
Get the job done with confidence and capability in the 2025 GMC Sierra 3500HD Pro 4WD Crew Cab Long Box. Built to handle the toughest demands, this heavy-duty pickup delivers exceptional strength, durability, and versatility—making it the perfect choice for both work and everyday use.
Powered by a robust 6.6L V8 engine paired with a smooth 10-speed automatic transmission, the Sierra 3500HD delivers impressive performance with up to 401 horsepower and 464 lb-ft of torque, giving you the muscle needed for hauling, towing, and tackling demanding job sites.
Equipped with a capable 4WD system, electronic transfer case, and locking rear differential, this truck is ready to take on challenging terrain and changing road conditions with ease. Whether you're on the highway, job site, or off the beaten path, you’ll have the traction and control you need.
The Crew Cab configuration offers spacious seating for up to six passengers, providing comfort and practicality for both drivers and passengers alike. Inside, you’ll find durable materials, an intuitive infotainment system with smartphone integration, and essential convenience features designed to keep you connected and in control throughout the day.
Out back, the Long Box (8-foot bed) provides maximum cargo space and functionality—perfect for transporting tools, equipment, or full-size materials. With impressive payload capacity and up to 20,000 lbs of towing capability, this Sierra is built to handle serious workloads without compromise.
Safety is also a priority, with features like Forward Collision Alert, Lane Departure Warning, and a rear vision camera helping provide added confidence on every drive.
Rugged, reliable, and ready for anything, the 2025 GMC Sierra 3500HD Pro 4WD Crew Cab Long Box is a powerhouse truck designed to meet the demands of hard work while keeping you comfortable every mile of the way.
Packages & Options
Standard Equipment
Technical Specifications
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AM/FM Stereo
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Auxiliary Audio Input
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Bluetooth Connection
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MP3 Player
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Smart Device Integration
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WiFi Hotspot
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Steel Wheels
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Tires - Front All-Terrain
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Tires - Rear All-Terrain
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Conventional Spare Tire
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
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Bumper, front chrome lower
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Bumper, rear chrome with bumper CornerSteps
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CornerStep, rear bumper
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Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
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Cargo tie downs (12), fixed, rated at 500 lbs per corner
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Grille, Chrome with flat black grille insert bars
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Daytime Running Lights
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LED Headlights
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Automatic Highbeams
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Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps (Requires single rear wheels.)
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Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
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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.)
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Glass, solar absorbing, tinted
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Door handles, Black grained
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Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
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Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
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Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
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Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)
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Split Bench Seat
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Vinyl Seats
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Seat adjuster, driver 4-way manual
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Seat adjuster, passenger 4-way manual
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Pass-Through Rear Seat
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Rear Bench Seat
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Floor Mats
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Steering wheel, urethane
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Adjustable Steering Wheel
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Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
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Driver Information Centre, 3.5" diagonal monochromatic display
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Exterior Temperature Display located in radio display
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Compass, located in instrument cluster
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Power Windows
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Power Door Locks
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Keyless Entry
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Cruise Control
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Power Outlet
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Auxiliary Audio Input
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MP3 Player
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A/C
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Air vents, rear (Not available with Regular Cab model.)
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Mirror, inside rearview, manual tilt
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Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
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8 Cylinder Engine
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Gasoline Fuel
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10-Speed A/T
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A/T
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Running Boards/Side Steps
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Keyless Start
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Air filter, heavy-duty
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Air filtration monitoring
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Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
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Locking/Limited Slip Differential
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Four Wheel Drive
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Cooling, external engine oil cooler
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Cooling, auxiliary external transmission oil cooler
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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.)
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Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
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Tow Hooks
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Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Brake lining wear indicator
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Automatic Highbeams
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Front Collision Mitigation
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Front Collision Warning
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Lane Departure Warning
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Tow Hitch
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Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)
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Front Collision Mitigation
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Front Collision Warning
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Stability Control
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Traction Control
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Daytime Running Lights
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Driver Air Bag
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Front Head Air Bag
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Front Side Air Bag
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Passenger Air Bag
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Passenger Air Bag Sensor
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Rear Head Air Bag
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Requires Subscription
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Telematics
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Back-Up Camera
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Lane Departure Warning
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Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
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Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
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Driver Restriction Features
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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.)
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Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
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Tire Pressure Monitor
No matches were found.
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Vehicle NameGMC Sierra 3500HD
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Body StyleCrew Cab Pickup
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Body CodeE63
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DrivetrainFour Wheel Drive
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Trans Order CodeMGM
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Trans Type10
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.54
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Second Gear Ratio (:1)2.87
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Third Gear Ratio (:1)2.06
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Fourth Gear Ratio (:1)1.72
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Fifth Gear Ratio (:1)1.48
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Sixth Gear Ratio (:1)1.26
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Seventh Gear Ratio (:1)1.00
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Eighth Gear Ratio (:1)0.85
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Ninth Gear Ratio (:1)0.69
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Tenth Gear Ratio (:1)0.63
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Reverse Ratio (:1)4.54
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Passenger Capacity6
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Front Head Room (in)43.03
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Front Leg Room (in)44.53
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Front Shoulder Room (in)66.02
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Front Hip Room (in)61.18
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Second Head Room (in)40.12
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Second Leg Room (in)43.4
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Second Shoulder Room (in)65.3
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Second Hip Room (in)60.24
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Gross Axle Wt Rating - Front (lbs)5600
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Gross Axle Wt Rating - Rear (lbs)7250
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Curb Weight - Front (lbs)4209
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Curb Weight - Rear (lbs)2870
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Gross Vehicle Weight Rating Cap (lbs)12250
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Gross Combined Wt Rating (lbs)30000
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Dead Weight Hitch - Max Trailer Wt. (lbs)5000
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Dead Weight Hitch - Max Tongue Wt. (lbs)500
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Wt Distributing Hitch - Max Trailer Wt. (lbs)20000
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Wt Distributing Hitch - Max Tongue Wt. (lbs)2000
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)21460
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)5365
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL5P
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Engine TypeTurbocharged Diesel V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM470 @ 2800
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SAE Net Torque @ RPM975 @ 1600
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)720
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Maximum Alternator Capacity (amps)220
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Frame TypeHydroformed
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Suspension Type - FrontShort/Long Arm w/Torsion Bars
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Suspension Type - Rear3-Stage Multi-Leaf
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Axle Type - FrontIndependent
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Axle Ratio (:1) - Front3.42
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Axle Ratio (:1) - Rear3.42
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Shock Absorber Diameter - Front (mm)51
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Shock Absorber Diameter - Rear (mm)51
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Stabilizer Bar Diameter - Front (in)1.38
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Front Tire Order CodeQF6
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Rear Tire Order CodeQF6
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/70R18
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Rear Tire SizeLT275/70R18
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Spare Tire SizeLT275/70R18
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Front Wheel Size (in)18 x 8
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Rear Wheel Size (in)18 x 8
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Spare Wheel Size (in)18 x 8
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialSteel
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Steering TypePwr Recirculating Ball
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Steering Ratio (:1), At LockN/A
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Turning Diameter - Curb to Curb (ft)57.0
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Turning Diameter - Wall to Wall (ft)N/A
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Brake TypePwr
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Brake ABS System4-Wheel
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Disc - FrontYes
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Disc - RearYes
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Front Brake Rotor Diam x Thickness (in)14 x 1.6
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Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
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Fuel Tank Capacity, Approx (L)136
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Wheelbase (in)172
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Length, Overall (in)266.77
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)80.67
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Cab to Axle (in)55.24
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Ground Clearance, Front (in)11.14
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Ground Clearance, Rear (in)11.14
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Cargo Box Length @ Floor (in)98.22
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)50.55
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Cargo Box (Area) Height (in)21
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Cargo Volume (ft³)83.5
No matches were found.
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