Vehicle Details
Body Style
Truck
Engine
6.6L
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
302952
Fuel Type
Diesel
Trim Details
4WD Crew Cab Long Box SLE
Description
The 2026 GMC Sierra 3500HD SLE 4WD Crew Cab Long Box SLE combines professional-grade strength, heavy-duty capability, and everyday versatility. With its muscular stance, bold chrome accents, and advanced technology, this heavy-duty truck is built for those who demand power, reliability, and comfort on every drive.Â
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Performance & CapabilityÂ
Engine: Duramax 6.6L V8 Turbo Diesel delivering exceptional torque and towing powerÂ
Transmission: Smooth-shifting 10-speed automatic transmission for precise controlÂ
Drivetrain: Four-Wheel Drive (4WD) with Autotrac two-speed transfer case for confident traction in all conditionsÂ
Suspension: Standard heavy-duty suspension for stability under load and on rough terrainÂ
Axle Ratio: 3.42 rear axle tuned for towing strength and efficiencyÂ
Trailering Equipment: Integrated trailer brake controller, hitch guidance, Hitch View, in-vehicle trailering app, and trailer camera provisions for precise maneuveringÂ
Drive Modes: Switch-FlexRide system for optimized handling and ride comfort in every scenarioÂ
Off-Road & Worksite Readiness: Automatic locking rear differential, skid plates, and optional snow plow prep package for tough environmentsÂ
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Winter & Weather ComfortÂ
Heated Front Seats & Steering Wheel: Maintain warmth during cold-weather drivesÂ
Remote Vehicle Start: Pre-condition the cabin before you get inÂ
Dual-Zone Automatic Climate Control: Keeps driver and passenger comfortable with independent settingsÂ
Engine Block Heater: Ensures reliable cold-weather startsÂ
Rear Window Defogger & Heated Mirrors: Enhanced visibility in winter conditionsÂ
All-Weather Floor Protection: Rubberized floor mats and durable carpet protect the interior from mud, snow, and debrisÂ
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Interior Comfort & ConvenienceÂ
Front 40/20/40 Bench Seating with Power Adjustments: Supports driver comfort and flexible passenger seatingÂ
Rear Sliding Power Window & Rear Seat Storage Package: Enhances convenience and cabin versatilityÂ
Keyless Open & Push-Button Start: Effortless access and ignitionÂ
Wireless Apple CarPlay® & Android Autoâ„¢: Seamless smartphone integrationÂ
Infotainment: 13.4" GMC premium touchscreen with Google Built-In, wireless phone projection, and navigationÂ
Digital Driver Display: 12" diagonal reconfigurable multi-color display keeps essential info in clear viewÂ
Audio System: 6-speaker system providing crisp, balanced soundÂ
Universal Home Remote: Operate garage doors or gates directly from the cabinÂ
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Safety & Driver AssistanceÂ
Sierra HD Pro Safety & Pro Safety Plus Packages: Comprehensive suite of driver-assistance technologiesÂ
Forward Collision Alert & Automatic Emergency BrakingÂ
Lane Departure Warning & Adaptive Cruise ControlÂ
Rear Cross Traffic Alert, Trailer Side Blind Zone Alert & Rear Park AssistÂ
HD Surround Vision & Bed View Camera: Complete 360° visibility for parking, trailering, and worksite tasksÂ
Front Pedestrian Braking & Trailer Camera ProvisionsÂ
Teen Driver Mode & Buckle-to-Drive: Encourages safe driving behaviorÂ
Tire Pressure Monitoring & Rear Seat Reminder: Keeps occupants and load safeÂ
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Exterior Styling & UtilityÂ
Exterior Colour: Summit White with bold chrome accents on bumpers and grilleÂ
18" Machined Aluminum Wheels with Dark Grey Accents: Rugged yet refined stanceÂ
LED Headlamps, Fog Lamps, and Roof Marker Lamps: Maximum visibility for night or worksite conditionsÂ
Standard or EZ-Lift Tailgate Options: Configurable for loading ease and heavy-duty usageÂ
120V Bed-Mounted Power Outlet & LED Cargo Bed Lighting: Practical solutions for tools and nighttime workÂ
Chrome Front & Rear Bumpers, Black Recovery Hooks, and Rear Bumper Cornersteps: Combines style, utility, and confidence for towing or off-road tasksÂ
LT275/70R18E All-Terrain Tires & Steel Spare Wheel: Ready for any terrain or trailering scenarioÂ
Pickup Bed: Long Box design provides exceptional cargo capacityÂ
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The 2026 GMC Sierra 3500HD SLE 4WD Crew Cab Long Box SLE delivers unmatched heavy-duty performance, cutting-edge technology, and robust towing capability. Whether hauling a trailer, navigating rough terrain, or commuting to the jobsite, it balances power, comfort, and confidence, built for drivers who demand strength with sophistication.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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Navigation System
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Smart Device Integration
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Requires Subscription
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Satellite Radio
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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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Aluminum 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 surround with Chrome 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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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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Heated Mirrors
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Integrated Turn Signal Mirrors
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Power Mirror(s)
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Privacy Glass
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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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Split Bench Seat
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Cloth 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 covering, colour-keyed carpeting
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Floor Mats
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Adjustable Steering Wheel
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Steering Wheel Audio Controls
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GMC Premium information Display- 13.4" diagonal Multicolour touch screen
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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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Keyless Start
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Cruise Control
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Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
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Auxiliary Audio Input
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MP3 Player
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USB ports, (2) charge-only, rear
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A/C
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Air vents, rear (Not available with Regular Cab model.)
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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, 11,700 lbs. (5307 kg) with single rear wheels (Included and only available with model TK30943 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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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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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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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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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
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)39.88
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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)6000
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Gross Axle Wt Rating - Rear (lbs)7250
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Curb Weight - Front (lbs)4142
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Curb Weight - Rear (lbs)2918
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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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* 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 3500HD SLE may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
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