Vehicle Details
Body Style
Truck
Engine
6.6L 8Cyl
Exterior Colour
Black
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
303643
Fuel Type
Diesel
Trim Details
4WD Crew Cab Standard Box SLE
Description
The 2026 GMC Sierra 3500HD SLE 4WD Crew Cab Standard Box is built to handle demanding jobs with confidence while delivering modern comfort, advanced technology, and rugged heavy-duty capability. With bold GMC styling, powerful diesel performance, and off-road-ready equipment, this Sierra HD is engineered for drivers who need strength without sacrificing refinement.Â
Performance & CapabilityÂ
Engine: Legendary Duramax® 6.6L V8 Turbo-Diesel delivering exceptional torque and heavy-duty pulling powerÂ
Transmission: Heavy-duty 10-speed automatic transmission engineered for smooth power delivery and towing confidenceÂ
Drivetrain: 4-Wheel Drive (4WD) system for dependable traction on rough terrain and challenging weather conditionsÂ
Transfer Case: Electronic 2-speed transfer case for enhanced off-road and low-speed capabilityÂ
Rear Axle Ratio: 3.42 rear axle optimized for towing strength and highway efficiencyÂ
Trailering Equipment Package with integrated trailer brake controller and hitch guidance technologyÂ
Heavy-Duty Cooling System with engine oil cooler and transmission oil cooler for demanding workloadsÂ
Engine Exhaust Brake for enhanced downhill control while towing heavy loadsÂ
Dual Alternator Setup for increased electrical capability and worksite readinessÂ
Automatic Locking Rear Differential for improved traction in difficult terrainÂ
X31 Off-Road Package featuring off-road suspension, Rancho® twin-tube shocks, skid plates, and hill descent controlÂ
High Idle Switch and heavy-duty air filtration system designed for commercial-grade performanceÂ
Winter & Weather ComfortÂ
Remote Vehicle Start for convenient cabin pre-conditioning in all seasonsÂ
Engine Block Heater for dependable cold-weather startsÂ
Dual-Zone Automatic Climate Control for personalized comfort for driver and passengerÂ
Rear Window Defogger for improved visibility during winter drivingÂ
Deep-Tinted Glass for added cabin comfort and privacyÂ
Winter Grille Cover helping maintain optimal engine temperatures in cold climatesÂ
Interior Comfort & ConvenienceÂ
Spacious Crew Cab configuration with seating for work crews or family travelÂ
Front 40/20/40 split-bench seating offering flexibility and additional storage functionalityÂ
10-Way Power Driver Seat for enhanced comfort on long drivesÂ
Rear 60/40 Folding Bench Seat for versatile cargo and passenger spaceÂ
Keyless Open & Push-Button Start for everyday convenienceÂ
Premium GMC Infotainment System with massive 13.4" touchscreen display and Google Built-In compatibilityÂ
Wireless Apple CarPlay® & Android Autoâ„¢ for seamless smartphone integrationÂ
12" Digital Driver Information Centre with customizable vehicle and trailering informationÂ
Multiple USB charging ports and 120V power outlets in both the cabin and cargo bedÂ
Steering Wheel Audio Controls and Cruise Control for effortless highway drivingÂ
Wi-Fi Hotspot Capability and connected services technology for enhanced connectivity on the goÂ
Safety & Driver AssistanceÂ
GMC Sierra HD Pro Safety suite for enhanced confidence behind the wheelÂ
Forward Collision Alert with Automatic Emergency BrakingÂ
Front Pedestrian Braking for added urban safety awarenessÂ
Lane Departure Warning system for added highway confidenceÂ
Following Distance Indicator to help maintain safer spacing in trafficÂ
HD Rear Vision Camera for easier parking and trailer alignmentÂ
Teen Driver Mode and Buckle-to-Drive technology promoting safer driving habitsÂ
Tire Pressure Monitoring System for enhanced safety and maintenance awarenessÂ
Exterior Styling & UtilityÂ
Exterior Colour: Onyx Black — bold, sophisticated, and unmistakably GMCÂ
18" Machined Aluminum Wheels with Dark Grey Metallic accents for a rugged premium appearanceÂ
All-Terrain Tires engineered for confident traction on pavement, gravel, and worksite surfacesÂ
LED Headlamps, LED Fog Lamps, and LED Roof Marker Lamps for outstanding visibility and modern stylingÂ
Chrome Front and Rear Bumpers adding classic heavy-duty GMC presenceÂ
Chrome Assist Steps for easier cabin accessÂ
GMC MultiPro Tailgate with EZ Lift power lock and release functionality for improved versatility and cargo accessÂ
Spray-On Bedliner protecting the cargo box from wear and tearÂ
Bed-Mounted 120V Power Outlet for jobsite tools and tailgate convenienceÂ
Black Front Recovery Hooks for added utility during off-road or recovery situationsÂ
Rear CornerStep Bumper and integrated cargo solutions designed for work-ready practicalityÂ
Whether you’re hauling heavy equipment, towing a large trailer, or taking on demanding off-road conditions, the 2026 GMC Sierra 3500HD SLE delivers uncompromising diesel power, intelligent technology, and dependable capability. It’s a heavy-duty truck built to work hard while keeping drivers comfortable, connected, and confident every mile of the journey.Â
Â
Packages & Options
Standard Equipment
Technical Specifications
-
AM/FM Stereo
-
Auxiliary Audio Input
-
Bluetooth Connection
-
MP3 Player
-
Navigation System
-
Smart Device Integration
-
Requires Subscription
-
Satellite Radio
-
Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
-
WiFi Hotspot
-
Aluminum Wheels
-
Tires - Front All-Terrain
-
Tires - Rear All-Terrain
-
Conventional Spare Tire
-
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
-
Bumper, front chrome lower
-
Bumper, rear chrome with bumper CornerSteps
-
CornerStep, rear bumper
-
Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
-
Cargo tie downs (12), fixed, rated at 500 lbs per corner
-
Grille, Chrome surround with Chrome insert bars
-
Daytime Running Lights
-
LED Headlights
-
Automatic Highbeams
-
Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
-
Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
-
Heated Mirrors
-
Integrated Turn Signal Mirrors
-
Power Mirror(s)
-
Privacy Glass
-
Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
-
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
-
Split Bench Seat
-
Cloth Seats
-
Seat adjuster, driver 4-way manual
-
Seat adjuster, passenger 4-way manual
-
Pass-Through Rear Seat
-
Rear Bench Seat
-
Floor covering, colour-keyed carpeting
-
Floor Mats
-
Adjustable Steering Wheel
-
Steering Wheel Audio Controls
-
GMC Premium information Display- 13.4" diagonal Multicolour touch screen
-
Exterior Temperature Display located in radio display
-
Compass, located in instrument cluster
-
Window, power front, drivers express up/down
-
Power Windows
-
Power Door Locks
-
Keyless Entry
-
Keyless Start
-
Cruise Control
-
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
-
Auxiliary Audio Input
-
MP3 Player
-
USB ports, (2) charge-only, rear
-
A/C
-
Air vents, rear (Not available with Regular Cab model.)
-
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
-
8 Cylinder Engine
-
Gasoline Fuel
-
10-Speed A/T
-
A/T
-
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
-
Running Boards/Side Steps
-
GVWR, 11,550 lbs. (5239 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
-
Keyless Start
-
Air filter, heavy-duty
-
Air filtration monitoring
-
Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
-
Locking/Limited Slip Differential
-
Four Wheel Drive
-
Cooling, external engine oil cooler
-
Cooling, auxiliary external transmission oil cooler
-
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.)
-
Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
-
Trailer brake controller, integrated
-
Tow Hooks
-
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
-
Suspension Package (Not available with (X31) Off-Road Package.)
-
Power Steering
-
4-Wheel Disc Brakes
-
ABS
-
Brake lining wear indicator
-
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
-
Automatic Highbeams
-
Front Collision Mitigation
-
Front Collision Warning
-
Lane Departure Warning
-
Tow Hitch
-
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)
-
Front Collision Mitigation
-
Front Collision Warning
-
Stability Control
-
Traction Control
-
Daytime Running Lights
-
Driver Air Bag
-
Front Head Air Bag
-
Front Side Air Bag
-
Passenger Air Bag
-
Passenger Air Bag Sensor
-
Rear Head Air Bag
-
Requires Subscription
-
Telematics
-
Back-Up Camera
-
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
-
Lane Departure Warning
-
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
-
Driver Restriction Features
-
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.)
-
Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
-
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)
-
Tire Pressure Monitor
No matches were found.
-
Vehicle NameGMC Sierra 3500HD
-
Body StyleCrew Cab Pickup
-
Body CodeE63
-
DrivetrainFour Wheel Drive
-
Trans Order CodeMGM
-
Trans Type10
-
Trans Description Cont.Automatic
-
First Gear Ratio (:1)4.54
-
Second Gear Ratio (:1)2.87
-
Third Gear Ratio (:1)2.06
-
Fourth Gear Ratio (:1)1.72
-
Fifth Gear Ratio (:1)1.48
-
Sixth Gear Ratio (:1)1.26
-
Seventh Gear Ratio (:1)1.00
-
Eighth Gear Ratio (:1)0.85
-
Ninth Gear Ratio (:1)0.69
-
Tenth Gear Ratio (:1)0.63
-
Reverse Ratio (:1)4.54
-
Passenger Capacity6
-
Front Head Room (in)39.88
-
Front Leg Room (in)44.53
-
Front Shoulder Room (in)66.02
-
Front Hip Room (in)61.18
-
Second Head Room (in)40.12
-
Second Leg Room (in)43.4
-
Second Shoulder Room (in)65.3
-
Second Hip Room (in)60.24
-
Gross Axle Wt Rating - Front (lbs)6000
-
Gross Axle Wt Rating - Rear (lbs)7250
-
Curb Weight - Front (lbs)4032
-
Curb Weight - Rear (lbs)2928
-
Gross Vehicle Weight Rating Cap (lbs)12100
-
Gross Combined Wt Rating (lbs)30000
-
Dead Weight Hitch - Max Trailer Wt. (lbs)5000
-
Dead Weight Hitch - Max Tongue Wt. (lbs)500
-
Wt Distributing Hitch - Max Trailer Wt. (lbs)20000
-
Wt Distributing Hitch - Max Tongue Wt. (lbs)2000
-
Fifth Wheel Hitch - Max Trailer Wt. (lbs)21600
-
Fifth Wheel Hitch - Max Tongue Wt. (lbs)5400
-
Maximum Trailering Capacity (lbs)20000
-
Engine Order CodeL5P
-
Engine TypeTurbocharged Diesel V8
-
Displacement6.6L
-
Fuel SystemDirect Injection
-
SAE Net Horsepower @ RPM470 @ 2800
-
SAE Net Torque @ RPM975 @ 1600
-
Engine Oil CoolerYes
-
Cold Cranking Amps @ 0° F (Primary)720
-
Maximum Alternator Capacity (amps)220 & 170
-
Frame TypeHydroformed
-
Suspension Type - FrontShort/Long Arm w/Torsion Bars
-
Suspension Type - Rear3-Stage Multi-Leaf
-
Axle Type - FrontIndependent
-
Axle Ratio (:1) - Front3.42
-
Axle Ratio (:1) - Rear3.42
-
Shock Absorber Diameter - Front (mm)51
-
Shock Absorber Diameter - Rear (mm)51
-
Stabilizer Bar Diameter - Front (in)1.38
-
Front Tire Order CodeQF6
-
Rear Tire Order CodeQF6
-
Spare Tire Order CodeZYG
-
Front Tire SizeLT275/70R18
-
Rear Tire SizeLT275/70R18
-
Spare Tire SizeLT275/70R18
-
Front Wheel Size (in)18 x 8
-
Rear Wheel Size (in)18 x 8
-
Spare Wheel Size (in)18 x 8
-
Front Wheel MaterialAluminum
-
Rear Wheel MaterialAluminum
-
Spare Wheel MaterialSteel
-
Steering TypePwr Recirculating Ball
-
Steering Ratio (:1), At LockN/A
-
Turning Diameter - Curb to Curb (ft)52.7
-
Turning Diameter - Wall to Wall (ft)N/A
-
Brake TypePwr
-
Brake ABS System4-Wheel
-
Disc - FrontYes
-
Disc - RearYes
-
Front Brake Rotor Diam x Thickness (in)14 x 1.6
-
Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
-
Fuel Tank Capacity, Approx (L)136
-
Wheelbase (in)158.94
-
Length, Overall (in)250.75
-
Width, Max w/o mirrors (in)81.85
-
Height, Overall (in)80.87
-
Cab to Axle (in)42.17
-
Ground Clearance, Front (in)11.18
-
Ground Clearance, Rear (in)11.18
-
Cargo Box Length @ Floor (in)82.2
-
Cargo Box Width @ Floor (in)71.4
-
Cargo Box Width @ Wheelhousings (in)51.85
-
Cargo Box (Area) Height (in)21
-
Cargo Volume (ft³)69.5
No matches were found.
Similar Vehicles
Crew Cab Standard Box 4-Wheel Drive AT4
VIN: 1GTUUEE84TZ326918
City: 11L/100 km • Hwy: 9.9L/100 km
Crew Cab Short Box 4-Wheel Drive AT4
VIN: 3GTUUEEL1TG377796
City: 17.1L/100 km • Hwy: 14L/100 km
Crew Cab Short Box 4-Wheel Drive AT4X
VIN: 3GTUUFE85TG349095
City: 12.2L/100 km • Hwy: 12L/100 km
Crew Cab Short Box 4-Wheel Drive AT4
VIN: 3GTUUEEL5TG372228
City: 16L/100 km • Hwy: 12.1L/100 km
Crew Cab Short Box 4-Wheel Drive AT4X
VIN: 3GTUUFEL9TG286345
City: 17.1L/100 km • Hwy: 14.7L/100 km
Crew Cab Short Box 4-Wheel Drive Denali
VIN: 1GTUUGEL1TZ177724
City: 16L/100 km • Hwy: 12.1L/100 km
* 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.
Calculate Payments
Finance
Lease