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2025 GMC Sierra 3500HD Pro
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Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
25-192
Trim Details
Crew Cab Standard Box 4-Wheel Drive Pro
Built for those who demand power, capability, and confidence in every drive, this 2025 GMC Sierra 3500HD Pro Crew Cab is ready for work, play, and everything in between. With the legendary DURAMAX 6.6L Turbo Diesel V8 paired to the Allison 10-Speed Automatic, towing, hauling, and off-road adventures are effortless. The X31 Off-Road Package with twin-tube Rancho shocks and skid plates ensures you can tackle Kootenay trails or highway loads with ease.
Step inside and enjoy a driver-focused interior with GMC Infotainment System with 7" touchscreen, wireless phone projection, and all-weather floor liners for life’s messy moments. Trailer guidance and braking technology make towing simpler, while automatic emergency braking, lane departure warning, and following distance indicators keep every trip safer for you and your crew.
Designed for practicality without compromising style, this Sierra comes equipped with rear bumper cornersteps, 6" assist steps, spray-on bedliner, and trailer mirrors, making every job easier. Available now — call or click to reserve your Sierra 3500HD today.
Key Features:
✅ DURAMAX 6.6L Turbo Diesel V8
✅ Allison 10-Speed Automatic Transmission
✅ X31 Off-Road Package with Rancho Shocks & Skid Plates
✅ GMC Infotainment System with 7" Touchscreen & Wireless Projection
✅ Trailer Brake Controller & Hitch Guidance
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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Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
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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
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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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Moldings, beltline, Black
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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
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Lamps, cargo area, cab mounted integrated with center 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]), molded 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 Center, 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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Window, power front, drivers express up/down
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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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Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
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Running Boards/Side Steps
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GVWR, 11,550 lbs. (5239 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
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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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Trailer brake controller, integrated
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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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Suspension Package (Not available with (X31) Off-Road Package.)
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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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Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
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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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Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
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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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Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
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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)
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Tire Pressure Monitor
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Navigation System
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)0.68
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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)4041
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Curb Weight - Rear (lbs)2938
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Gross Vehicle Weight Rating Cap (lbs)12100
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Gross Combined Wt Rating (lbs)29700
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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)21600
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)5400
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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 MaterialSteel
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Rear Wheel MaterialSteel
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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)52.7
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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 (gal)36
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Wheelbase (in)158.94
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Length, Overall (in)250.75
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)80.87
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Cab to Axle (in)42.1
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Ground Clearance, Front (in)11.18
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Ground Clearance, Rear (in)11.18
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Cargo Box Length @ Floor (in)82.2
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)51.85
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Cargo Box (Area) Height (in)21
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Cargo Volume (ft³)69.5
No matches were found.
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