Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
302840
Trim Details
Crew Cab Standard Box 4-Wheel Drive SLE
The 2026 GMC Sierra 2500HD SLE is built with uncompromising strength and smart refinement, delivering professional-grade capability for those who demand more from a heavy-duty truck. With its bold HD stance, confident chrome details, and advanced trailering technology, Sierra is engineered to tackle serious work while keeping comfort and control front and center.Â
Performance & CapabilityÂ
Engine: 6.6L V8 with Direct Injection and Variable Valve Timing, delivering proven heavy-duty power and torqueÂ
Transmission: Smooth-shifting 10-speed automatic transmission optimized for towing and haulingÂ
Drivetrain: Autotrac Two-Speed 4-Wheel Drive (4WD) for dependable traction on job sites and rough terrainÂ
Rear Axle Ratio: 3.73 rear axle designed for maximum towing confidenceÂ
GVWR: Up to 10,850 lbs, built to handle demanding payloadsÂ
Trailering Equipment: Integrated trailer brake controller, hitch guidance with Hitch View, and in-vehicle trailering appÂ
Off-Road Readiness: X31 Off-Road Package with skid plates, hill descent control, and off-road suspensionÂ
Automatic Locking Rear Differential: Enhanced traction when conditions get challengingÂ
Trailering & Worksite TechnologyÂ
HD Surround Vision and Bed View Camera for precise maneuveringÂ
Trailer Side Blind Zone Alert and Rear Cross Traffic AlertÂ
Front & Rear Park Assist for confident navigation in tight spacesÂ
Heavy-duty engine oil and transmission oil coolersÂ
High Idle Switch for powering equipment and cold-weather operationÂ
Interior Comfort & ConvenienceÂ
Spacious Crew Cab with durable Jet Black interior trimÂ
Front 40/20/40 split-bench seat with power-adjustable driver seatÂ
Heated Front Seats and Heated Steering Wheel for cold-weather comfortÂ
Dual-Zone Automatic Climate Control with rear air ventsÂ
Power Sliding Rear Window and Rear Seat Storage Package for added versatilityÂ
Keyless Open, Push-Button Start, and Remote Start systemÂ
Connectivity & InfotainmentÂ
GMC Premium Infotainment System with 13.4" touchscreen and Google Built-InÂ
Wireless Apple CarPlay® & Android Autoâ„¢ for seamless smartphone integrationÂ
12" Digital Driver Information Center with customizable displaysÂ
Multiple USB ports for front and rear passengersÂ
120V Power Outlets in the cabin and cargo bed for tools and devicesÂ
Safety & Driver AssistanceÂ
Sierra HD Pro Safety Plus suite for enhanced driver confidenceÂ
Automatic Emergency Braking and Front Pedestrian BrakingÂ
Forward Collision Alert and Following Distance IndicatorÂ
Lane Departure Warning and IntelliBeam® Automatic High BeamsÂ
Teen Driver Mode and Buckle-to-Drive safety featuresÂ
Exterior Styling & UtilityÂ
Exterior Colour: Summit White - clean, bold, and professionalÂ
18" Machined Aluminum Wheels with dark grey metallic accentsÂ
All-Terrain Tires designed for durability and tractionÂ
Chrome Front and Rear Bumpers with black front recovery hooksÂ
LED Headlamps, Fog Lamps, Roof Marker Lamps, and LED cargo bed lightingÂ
Spray-On Bedliner and EZ-Lift tailgate with power lock and releaseÂ
CornerStep Rear Bumper and chrome assist steps for easy accessÂ
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Whether you’re towing heavy equipment, navigating rugged terrain, or managing long workdays, the 2026 GMC Sierra 2500HD SLE delivers commanding power, advanced trailering confidence, and everyday comfort. It’s a true heavy-duty truck, built to work hard, stay reliable, and perform without compromise.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-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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Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
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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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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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Door handles, body-colour
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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, 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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Steering wheel, wrapped
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Steering Wheel Audio Controls
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Adjustable Steering Wheel
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Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
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Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
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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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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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Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet) (Deleted with (ZW9) pickup bed delete.)
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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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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, 10,450 lbs. (4740 kg) (Included and only available with TK20743 model 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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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)4013
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Curb Weight - Rear (lbs)2812
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Gross Vehicle Weight Rating Cap (lbs)10850
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Gross Combined Wt Rating (lbs)26000
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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)18380
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4600
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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 CodeQF6
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Rear Tire Order CodeQF6
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/70R18E
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Rear Tire SizeLT275/70R18E
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Spare Tire SizeLT275/70R18
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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)18
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Rear Wheel Size (in)18
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Spare Wheel Size (in)18
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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)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 (L)136
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Wheelbase (in)159
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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)79.82
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Cab to Axle (in)42.17
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Ground Clearance, Front (in)10.12
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Ground Clearance, Rear (in)10.12
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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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