Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
302844
Trim Details
Crew Cab Standard Box 4-Wheel Drive SLE
The 2026 GMC Sierra 2500HD SLE Crew Cab Standard Box is built for those who demand real muscle, smart technology, and everyday comfort in a heavy-duty truck. With its bold HD stance, chrome accents, and work-ready engineering, this Sierra delivers uncompromising capability while remaining refined enough for daily driving, a true professional-grade pickup designed to handle the toughest jobs with confidence.Â
Performance & CapabilityÂ
Engine: 6.6L V8 gasoline engine delivering powerful torque and proven durability for heavy hauling and towingÂ
Transmission: Heavy-duty 10-speed automatic transmission for smooth, controlled power delivery under loadÂ
Drivetrain: Autotrac® 4-Wheel Drive with a two-speed transfer case for confident traction on job sites, highways, and rough terrainÂ
Axle Ratio: 3.73 rear axle optimized for trailering strength and controlled pulling powerÂ
GVWR: Up to 10,850 lbs, engineered to take on demanding work and equipmentÂ
Trailering Equipment: Integrated trailer brake controller, hitch guidance with Hitch View, and in-vehicle trailering app for precise, confident towingÂ
Off-Road Capability: Automatic locking rear differential, skid plates, and hill descent control for stability beyond the pavementÂ
Drive Modes: Selectable drive modes to adapt performance to changing road and load conditionsÂ
Heavy-Duty EngineeringÂ
Reinforced HD suspension with heavy-duty front springs for durability under loadÂ
Engine oil cooler, transmission oil cooler, and heavy-duty air filtration to support sustained performanceÂ
Trailer camera provisions and available trailer tire pressure monitoring for added towing awarenessÂ
Active aero grille shutters designed to balance cooling efficiency and performanceÂ
Winter & All-Weather ComfortÂ
Heated driver and front passenger seats for cold-weather comfortÂ
Heated steering wheel and remote start system to make winter mornings easierÂ
Dual-zone automatic climate control with rear air vents for balanced cabin comfortÂ
Engine block heater for reliable cold-weather startsÂ
All-terrain tires and 4WD traction for confident year-round capabilityÂ
Interior Comfort & ConvenienceÂ
Spacious Crew Cab with durable Jet Black interior and practical 40/20/40 front bench seatingÂ
Power-adjustable driver seat with lumbar support for long workdaysÂ
Power sliding rear window and rear seat storage package for added versatilityÂ
Keyless Open and push-button start for effortless entry and ignitionÂ
Multiple USB ports and 120V power outlets in the cabin and bed to power tools and devicesÂ
Auto-dimming rearview mirror and universal home remote for added convenienceÂ
Technology & ConnectivityÂ
13.4" GMC Premium Infotainment touchscreen with Google Built-InÂ
Wireless Apple CarPlay® and Android Autoâ„¢ compatibilityÂ
12" reconfigurable digital driver information displayÂ
SiriusXM compatibility and Wi-Fi hotspot capabilityÂ
6-speaker audio system delivering clear, reliable soundÂ
Safety & Driver AssistanceÂ
Sierra HD Pro Safety and Pro Safety Plus technologiesÂ
Forward collision alert with automatic emergency braking and front pedestrian brakingÂ
Lane departure warning and following distance indicatorÂ
HD Surround Vision, bed view camera, and trailer camera provisions for enhanced visibilityÂ
Front and rear park assist, rear cross traffic alert, and trailer side blind zone alertÂ
Teen Driver mode and Buckle-to-Drive technology for added peace of mindÂ
Exterior Styling & UtilityÂ
18" machined aluminum wheels with dark grey metallic accentsÂ
Summit White exterior with bold chrome front and rear bumpersÂ
LED headlamps, LED fog lamps, LED cargo bed lighting, and LED roof marker lamps for maximum visibilityÂ
Spray-on bedliner and EZ Lift power lock and release tailgate for work-ready durabilityÂ
CornerStep rear bumper and black front recovery hooks for easy access and added confidenceÂ
Built for Real WorkÂ
Whether you’re towing heavy equipment, managing a job site, or tackling rugged terrain, the 2026 GMC Sierra 2500HD SLE delivers relentless strength, intelligent technology, and everyday comfort. It’s a heavy-duty truck engineered to work hard, last long, and perform with confidence, day in and day out.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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* 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 SLE may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
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