Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
302947
Fuel Type
Gasoline
Trim Details
Crew Cab Standard Box 4-Wheel Drive SLT
Description
The 2026 GMC Sierra 2500HD SLT Crew Cab Standard Box 4-Wheel Drive blends heavy-duty muscle with premium refinement and advanced technology. With its bold chrome accents, commanding stance, and intelligent trailering innovations, this Sierra HD delivers professional-grade strength without sacrificing comfort, built for those who demand serious capability with upscale confidence.Â
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Performance & CapabilityÂ
Engine: 6.6L V8 Direct Injection engine delivering immense torque and dependable heavy-duty performanceÂ
Transmission: 10-speed automatic engineered for smooth power delivery and confident haulingÂ
Drivetrain: Autotrac® two-speed 4-Wheel Drive system for superior traction in all conditionsÂ
Rear Axle Ratio: 3.73 rear axle for optimized towing strength and pulling powerÂ
Automatic Locking Rear Differential: Added traction when the job site or trail gets demandingÂ
Off-Road Suspension with Rancho® Shocks: Tuned for durability and control over rough terrainÂ
Hill Descent Control & Skid Plates: Extra confidence when navigating steep or uneven surfacesÂ
Digital Variable Steering Assist: Responsive steering tailored to speed and loadÂ
Heavy-Duty Air Filter, Engine Oil Cooler & Transmission Oil Cooler: Built to handle hard workÂ
170-Amp Alternator: Strong electrical support for tools and trailering equipmentÂ
Integrated Trailer Brake Controller: Seamless control when towing heavy loadsÂ
ProGrade Trailering System: Hitch guidance with Hitch View and in-vehicle trailering appÂ
120V AC Power Outlets (Bed & Instrument Panel): Jobsite-ready versatilityÂ
EZ Lift Power Lock & Release Tailgate: Easy loading with remote convenienceÂ
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Interior Comfort & ConvenienceÂ
Crew Cab Configuration: Spacious rear seating with available under-seat storageÂ
Front Bucket Seats: Power-adjustable driver and passenger seats with memory settingsÂ
Heated & Ventilated Front Seats: Year-round comfort in any climateÂ
Heated Steering Wheel: Warm grip during cold morningsÂ
Dual-Zone Automatic Climate Control: Personalized cabin comfortÂ
Remote Vehicle Start: Pre-condition the cabin before you step insideÂ
Keyless Open & Push-Button Start: Effortless access and ignitionÂ
Power Windows with Express Up/Down & Power Door Locks: Everyday convenienceÂ
Auto-Dimming Rearview Mirror & Illuminated Vanity Mirrors: Refined interior touchesÂ
Rear Window Defogger & Deep-Tinted Glass: Enhanced visibility and privacyÂ
All-Weather Floor Liners (Dealer Installed): Durable interior protectionÂ
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Technology & ConnectivityÂ
13.4" GMC Premium Infotainment Touchscreen with Google Built-In: Intuitive interface with navigation capabilityÂ
12" Digital Driver Information Centre: Reconfigurable multi-color display for key vehicle dataÂ
Wireless Apple CarPlay® & Android Autoâ„¢: Seamless smartphone integrationÂ
Wireless Charging Pad: Convenient device charging without clutterÂ
Bose® Premium Audio System: Rich, immersive sound qualityÂ
Wi-Fi® Hotspot Capability: Stay connected wherever work or adventure takes youÂ
Multiple USB Ports (Front & Rear): Accessible charging for all passengersÂ
Steering Wheel Audio & Cruise Controls: Command at your fingertipsÂ
Vehicle Health & Diagnostics Integration: Smart monitoring for peace of mindÂ
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Safety & Driver AssistanceÂ
Sierra HD Pro Safety Package: Advanced driver-assistance technologies for added confidenceÂ
Forward Collision Alert with Automatic Emergency BrakingÂ
Lane Departure Warning: Extra awareness on long highway drivesÂ
Front Pedestrian Braking: Enhanced urban safetyÂ
Following Distance Indicator: Helps maintain safe spacingÂ
HD Rear Vision Camera: Clear visibility when reversing or hitchingÂ
Teen Driver Mode & Buckle-to-Drive: Encourages responsible driving habitsÂ
Tire Pressure Monitoring System: Real-time tire awarenessÂ
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Exterior Styling & UtilityÂ
20" Bright Face Aluminum Wheels with Dark Pockets: Strong, upscale presenceÂ
All-Terrain Tires & Steel Spare Wheel: Ready for demanding conditionsÂ
Summit White Exterior: Clean, bold finish with timeless appealÂ
Chrome Front & Rear Bumpers with Chrome Door Handles & Mirror Caps: Refined heavy-duty stylingÂ
LED Headlamps, Fog Lamps & Cargo Bed Lighting: Maximum visibility day or nightÂ
LED Roof Marker Lamps: Signature HD presenceÂ
Power-Adjustable Heated Trailering Mirrors with Task Lighting: Enhanced visibility when towingÂ
Rear Bumper CornerSteps: Easier bed accessÂ
Standard Pickup Bed with Rear Wheelhouse Liners: Built for durability and cargo protectionÂ
Black Front Recovery Hooks: Functional confidence when the terrain turns toughÂ
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Whether hauling equipment to the job site, towing a fifth-wheel for the weekend, or navigating unpredictable conditions, the 2026 GMC Sierra 2500HD SLT Crew Cab 4WD delivers uncompromising strength, advanced technology, and premium comfort. It’s the perfect balance of heavy-duty capability and refined craftsmanship, engineered for those who work hard and drive with purpose.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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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
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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
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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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Wheelhouse liners, rear
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Mouldings, beltline, chrome
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Grille (Chrome surround with Chrome insert bars.)
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Daytime Running Lights
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Automatic Highbeams
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Fog Lamps
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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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LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
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Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
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Heated Mirrors
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Integrated Turn Signal Mirrors
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Power Folding Mirrors
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Power Mirror(s)
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Privacy Glass
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Intermittent Wipers
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Rain Sensing Wipers
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Variable Speed Intermittent Wipers
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Door handles, chrome
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Tailgate, standard
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Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
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Split Bench Seat
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Leather Seats
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Pass-Through Rear Seat
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Rear Bench Seat
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Driver Adjustable Lumbar
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Power Driver Seat
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Passenger Adjustable Lumbar
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Power Passenger Seat
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Heated Front Seat(s)
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Mirror Memory
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Seat Memory
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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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Heated Steering Wheel
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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
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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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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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Remote Engine Start
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Cruise Control
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Security System
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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)
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Air vents, rear
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A/C
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Climate Control
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Multi-Zone A/C
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Rear Defrost
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Auto-Dimming Rearview Mirror
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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, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
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Keyless Start
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Transfer case, two-speed active, electronic Autotrac with push button control (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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In-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System module (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)
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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.)
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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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ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
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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
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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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Seat Belt Adjustable Guide Loops, front row only
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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
No matches were found.
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Vehicle NameGMC Sierra 2500HD
-
Body StyleCrew Cab Pickup
-
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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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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Transfer Case Gear Ratio (:1), High1
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Passenger Capacity5
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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)4800
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Gross Axle Wt Rating - Rear (lbs)6600
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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)9900
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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)4595
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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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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)720
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Maximum Alternator Capacity (amps)170
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Frame TypeBox Ladder
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Suspension Type - FrontShort/Long Arm w/Torsion Bar
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Suspension Type - Rear2-Stage Multi-Leaf
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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)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 CodeQF9
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Rear Tire Order CodeQF9
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Spare Tire Order CodeZYG
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Front Tire SizeLT275/65R20
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Rear Tire SizeLT275/65R20
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Spare Tire SizeLT275/70R18
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Front Wheel Size (in)20
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Rear Wheel Size (in)20
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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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Steering TypePwr Recirculating Ball
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Turning Diameter - Curb to Curb (ft)52.7
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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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