Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
302329
Trim Details
Crew Cab Long Box 4-Wheel Drive Pro
The 2026 GMC Sierra 2500HD Pro Crew Cab Long Box 4-Wheel Drive delivers uncompromising strength, work-ready durability, and modern functionality. Built for demanding job sites and everyday reliability, this heavy-duty truck combines professional-grade performance with purposeful design — perfect for those who need capability they can count on.Â
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Performance & CapabilityÂ
Engine: Heavy-duty 6.6L V8 gas engine delivering confident power for towing, hauling, and daily work demandsÂ
Transmission: Robust 10-speed automatic engineered for smooth power delivery under heavy loadsÂ
Drivetrain: Electronic 2-speed transfer case with 4WD for traction across mud, snow, gravel, and worksitesÂ
Suspension: Standard suspension package designed for stability, load management, and ride comfortÂ
Rear Axle: 3.73 ratio for optimized towing strength and torque distributionÂ
Towing Support: Integrated trailer brake controller, hitch guidance, rear vision camera, and trailering equipment for confident hook-ups and maneuveringÂ
Cooling Systems: Engine oil cooler, transmission cooler, and heavy-duty air filter for demanding conditionsÂ
Alternator: 170-amp output to support accessories, tools, and electrical loadsÂ
Off-Road & Worksite Readiness: Automatic locking rear differential, all-terrain tires, and black recovery hooks for dependable traction and controlÂ
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Interior Comfort & ConvenienceÂ
Seating: Durable 40/20/40 front bench seat with 4-way manual driver and passenger adjustabilityÂ
Rear Seating: 60/40 folding rear bench for flexible cargo and passenger needsÂ
Cabin Materials: Jet Black interior with rugged vinyl floor covering for easy cleanup in work environmentsÂ
Climate: Air conditioning with rear air vents to keep the entire cab comfortableÂ
Connectivity: USB ports in front and second row for device charging on the goÂ
Infotainment: 7" GMC Colour Touchscreen with wireless phone projection (Apple & Android compatible)Â
Driver Information Center: Clear 3.5" display offering essential vehicle data at a glanceÂ
Convenience Features: Push-button start, power windows (front express up/down; rear express down), cruise control, and deep-tint glassÂ
Power Outlets: 120V outlets in the instrument panel and bed for powering tools and equipmentÂ
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Safety & Driver AssistanceÂ
Pro Safety Features: Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, and Following Distance IndicatorÂ
Enhanced Awareness: Lane Change Alert with Side Blind Zone Alert and Rear Cross Traffic AlertÂ
Parking Assistance: Front and Rear Park Assist for tight maneuvering with a long boxÂ
Additional Safety: Teen Driver, Buckle-to-Drive, rear seat reminder, and full airbag systemÂ
Visibility: HD rear vision camera and IntelliBeam automatic high beamsÂ
Trailer Confidence: Power-adjustable, heated, auto-dimming vertical trailering mirrors with turn signal indicatorsÂ
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Exterior Styling & UtilityÂ
Wheels & Tires: 17" machined aluminum wheels paired with LT265/70R17E all-terrain tires and a matching all-terrain spareÂ
Exterior Colour: Summit White — clean, professional, and classicÂ
Bed Features: Long box with spray-on bedliner, LED cargo lighting, and 120V bed-mounted power outletÂ
Tailgate: EZ Lift tailgate with power lock and release for easier operationÂ
Bumpers: Chrome front and rear bumpers for a polished, durable lookÂ
Worksite Utility: Black assist steps (dealer installed), moulded splash guards, and rear bumper CornerSteps for effortless bed accessÂ
Lighting: LED headlamps and task lighting integrated into trailering mirrorsÂ
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Whether you’re towing heavy equipment, navigating rugged terrain, or managing daily job-site demands, the 2026 GMC Sierra 2500HD Pro Crew Cab Long Box 4WD is engineered to deliver dependable capability, modern practicality, and professional-grade toughness. It’s the no-nonsense heavy-duty truck built for those who need strength they can trust every single day.Â
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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-Season
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Tires - Rear All-Season
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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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Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available on (ZW9) pickup bed delete.)
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CornerStep, rear bumper
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Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
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Mouldings, 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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Automatic Highbeams
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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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Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
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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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Door handles, Black grained
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Tailgate, standard (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 and bed rail protection caps, top (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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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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Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
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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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Auxiliary Audio Input
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MP3 Player
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Power Outlet
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Air vents, rear (Not available with Regular Cab model.)
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A/C
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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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GVWR, 10,650 lbs. (4831 kg) (Included and only available with TK20903 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels or TK20943 and (L8T) 6.6L V8 gas engine with 17" wheels.)
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Keyless Start
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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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Air filter, heavy-duty
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Air filtration monitoring
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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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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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Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
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Lane Departure Warning
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Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
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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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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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Driver Restriction Features
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Tire Pressure Monitor
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Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available on (ZW9) pickup bed delete.)
No matches were found.
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Vehicle NameGMC Sierra 2500HD
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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 CodeMKM
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Trans Type10
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Trans Description Cont.Automatic
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Clutch Size (in)N/A
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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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Curb Weight - Front (lbs)4089
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Curb Weight - Rear (lbs)2847
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Gross Vehicle Weight Rating Cap (lbs)10650
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Gross Combined Wt Rating (lbs)24500
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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)16000
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1600
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)18280
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4592
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL8T
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Engine TypeGas V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM401 @ 5200
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SAE Net Torque @ RPM464 @ 4000
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Cold Cranking Amps @ 0° F (Primary)720
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Maximum Alternator Capacity (amps)170
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Maximum Alternator WattsN/A
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Suspension Type - FrontShort/Long Arm
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Suspension Type - RearMulti-Leaf Springs
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Axle Ratio (:1) - Front3.73
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Axle Ratio (:1) - Rear3.73
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Shock Absorber Diameter - Front (mm)2.01
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Shock Absorber Diameter - Rear (mm)2.01
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Stabilizer Bar Diameter - Front (in)1.38
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Front Tire Order CodeQXT
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Rear Tire Order CodeQXT
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Spare Tire Order CodeZXT
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Front Tire SizeLT265/70R17E
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Rear Tire SizeLT265/70R17E
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Spare Tire SizeLT265/70R17E
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Revolutions/Mile @ 45 mph - Front (Rev/Mile)N/A
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Revolutions/Mile @ 45 mph - Rear (Rev/Mile)N/A
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Revolutions/Mile @ 45 mph - Spare (Rev/Mile)N/A
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Front Wheel Size (in)17
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Rear Wheel Size (in)17
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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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Turning Diameter - Curb to Curb (ft)57
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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)79.65
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Cab to Axle (in)55.24
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Ground Clearance, Front (in)10.08
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Ground Clearance, Rear (in)10.08
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Cargo Box Length @ Floor (in)98.27
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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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* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026 GMC Sierra 2500HD Pro may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.