New 2026 GMC Sierra 3500HD 4WD SLT
SLT
4WD Crew Cab Standard Box SLT
Pickup
Crew Cab Pickup
4WD 10-Speed Automatic
Turbocharged Diesel V8 6.6L/
Details
- Exterior Color: GBA Onyx Black
- Interior Color: Jet Black
- Body Style: Pickup
- Transmission: 10-Speed Automatic
- Stock: 6201850
- VIN: 1GT4UUEY3TF122719
- Mileage: 12
- Engine: Turbocharged Diesel V8 6.6L/
- City MPG:
- Highway MPG:
Highlights
-
4 wheel Drive
4 wheel Drive -
Anti Lock Braking System
Anti Lock Braking System -
Wifi
Wifi -
Power Seat(s)
Power Seat(s) -
Steering Wheel Controls
Steering Wheel Controls -
Remote Start
Remote Start -
Multi-Zone A/C
Multi-Zone A/C -
Cruise Control
Cruise Control -
Keyless Entry
Keyless Entry -
Navigation
Navigation -
Satellite Radio
Satellite Radio -
Heated Seats
Heated Seats -
Rain Sensing Wipers
Rain Sensing Wipers -
Bluetooth
Bluetooth -
Back-Up Camera
Back-Up Camera -
Keyless Start
Keyless Start -
Power Folding Mirrors
Power Folding Mirrors -
Lane Departure Warning
Lane Departure Warning -
Smartphone Integration
Smartphone Integration
Overview
2026 GMC SIERRA 3500HD SLT
Introducing the 2026 GMC Sierra 3500HD SLT, a heavy-duty truck engineered for power, performance, and top-tier comfort. This robust vehicle comes equipped with an impressive array of features designed to meet the demands of both work and leisure.
Key Features
- DURAMAX 6.6L Turbo-Diesel V8 Engine: Renowned for its unmatched power and torque, this engine is designed to tackle the toughest tasks with ease.
- B20-Diesel Compatibility: Experience enhanced flexibility and eco-friendliness with the ability to utilize biodiesel blends.
- Onyx Black Exterior: A sleek and sophisticated color that enhances the truck's commanding presence on the road.
- Advanced Towing Capabilities: With a maximum towing capacity that allows you to haul heavy trailers and equipment confidently.
- Premium Interior Comfort: Plush upholstery and spacious cabin designed for both driver and passenger comfort.
- Infotainment System: Equipped with a user-friendly touchscreen interface, smartphone integration, and premium sound options for an enhanced driving experience.
- Safety Features: Includes advanced driver-assistance systems such as lane departure warning, forward collision alert, and rear-view cameras for added security on the road.
- All-Terrain Capabilities: Features designed for rugged off-road performance, ensuring it can handle varied terrains with ease.
- Durably Built: Designed with high-strength materials to withstand the rigors of heavy-duty tasks.
Design
The 2026 GMC Sierra 3500HD SLT boasts a bold and muscular design highlighted by the striking Onyx Black exterior. The truck's aggressive stance is complemented by a well-defined grille and signature LED lighting, showcasing its readiness to take on any challenge. The refined body lines contribute to its aerodynamic efficiency while maintaining a spacious cargo bed ideal for hauling supplies and gear.
Performance
At the heart of the Sierra 3500HD SLT is the potent DURAMAX 6.6L Turbo-Diesel V8 engine, which delivers exceptional horsepower and torque, ensuring effortless acceleration and dependable performance even when fully loaded. Paired with an advanced transmission, this engine offers smooth shifts and enhances fuel efficiency without compromising power.
With exceptional ride quality and stability, the Sierra 3500HD is engineered to perform exceptionally on various terrains, making it the perfect choice for both everyday driving and the toughest work scenarios. Whether you're navigating city streets or tackling rugged backroads, this truck promises to exceed expectations.
Conclusion
The 2026 GMC Sierra 3500HD SLT stands out in the heavy-duty truck segment, combining powerful performance, advanced technology, and luxurious features in a stylish package. This vehicle is built to work as hard as you do while providing a comfortable ride for all your adventures.
Interior
- Air conditioning, dual-zone automatic climate control
- Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Audio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes colour touch-screen, multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones.
- Compass, located in instrument cluster
- Defogger, rear-window electric
- Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
- Exterior Temperature Display located in radio display
- Floor mats, carpeted front (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
- GMC Premium information Display- 13.4" diagonal Multicolour touch screen
- Keyless Open and Start includes remote keyless entry
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Remote vehicle starter system
- Seat adjuster, passenger 10-way power including lumbar
- Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, centre fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)
- Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (Not available with (PCY) SLT Convenience Package or (PDB) SLT Premium Package.)
- SiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Certain features and/or content may not be available unless an active data connection is enabled in the vehicle. Content varies by SiriusXM subscription plan. Features and display may vary by vehicle. All SiriusXM services require a subscription, sold separately by SiriusXM after the trial period. Your SiriusXM service will automatically stop at the end of your trial unless you decide to subscribe. If you decide to continue service after your trial, the subscription plan you choose will continue for an indeterminate term and you will be charged according to your chosen payment method at the then-current rates unless and until you cancel. Taxes apply. Please see the SiriusXM Customer Agreement at siriusxm.ca/terms for complete terms and how to cancel, which includes calling SiriusXM at 1-888-539-7474. All rates, content, and programming are subject to change. SiriusXM uses personal information in accordance with SiriusXM Privacy Policy, available at siriusxm.ca/privacy. SiriusXM Canada Inc. "SiriusXM", the SiriusXM logo, channel names and logos are trademarks of Sirius XM Radio Inc. and are used under license.)
- Steering wheel audio controls
- Steering wheel, wrapped
- Theft-deterrent system, unauthorized entry
- USB Ports, 2, Charge/Data ports located on instrument panel
- Window, power front, drivers express up/down
- Windows, power rear, express down
- Air vents, rear
- Audio system feature, 6-speaker system
- Bluetooth for phone connectivity to vehicle infotainment system
- Cruise control, steering wheel-mounted
- Door locks, power
- Driver memory, recalls driver "presets" for power driver seat and outside mirrors
- Floor covering, colour-keyed carpeting
- Floor mats, carpeted rear (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
- 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.)
- Mirror, inside rearview auto-dimming
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- Seat adjuster, driver 10-way power including lumbar
- Seat trim, Perforated leather-appointed front outboard seating positions
- Seating, heated driver and front outboard passenger
- SiriusXM Trial Subscription
- Steering column, manual Tilt-Wheel and telescoping
- Steering wheel, heated
- Theft-deterrent system, unauthorized entry
- USB ports, (2) charge-only, rear
- Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Window, power front, passenger express up/down
- Wireless Phone Projection for Apple CarPlay and Android Auto
Mechanical
- Air filter, heavy-duty
- Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
- 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.)
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Cooling, auxiliary external transmission oil cooler
- Four wheel drive
- 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.)
- Push Button Start
- Recovery hooks, front, frame-mounted, Black
- Suspension Package (Not available with (X31) Off-Road Package.)
- Transfer case, two-speed active electronic Autotrac with push button control
- Air filtration monitoring
- Auto-locking rear differential
- Brake lining wear indicator
- Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
- Cooling, external engine oil cooler
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- Pickup bed includes bed assist step
- Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
- Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
- Trailer brake controller, integrated
Safety
- Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag
- 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)
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- OnStar Basics (OnStar Fleet Basics for Fleet) Drive more confidently with up to 8 years of core OnStar services including mobile app commands, connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic, and Automatic Crash Response. (Requires (UE1) OnStar. OnStar Basics includes access to remote commands through your vehicle's mobile app (compatible smartphone required); Automatic Crash Response (not all vehicles may transmit all crash data; OnStar links to emergency services); and wireless connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic (Voice & Maps apps are subject to change at any time and may be provided by third parties). Term begins from date of vehicle delivery. Paid subscription required after expiry. Services are dependent on compatible wireless networks provided by third-party wireless service providers, working vehicle electrical systems, GPS signal and other factors outside GM control. Changes in technology and wireless networks may limit or prevent the operation of certain services. For customers who also separately receive or purchase a Premium Plan or Vehicle Data Plan to use Wi-Fi Hotspot and In-Vehicle Apps, the data provided as part of that plan will also be used by any Voice & Maps apps which already had data connectivity under this Basics plan; if any applicable data caps are reached, Voice & Maps apps will continue to function for the duration of this Basics plan but additional vehicle data plan(s) must be purchased to use Wi-Fi Hotspot and In-Vehicle Apps. Services, connectivity, and capabilities have additional terms and limitations and are subject to change, and will vary by model, vehicle configuration, conditions, and geographical and technical restrictions. Non-refundable and no cash value. See onstar.ca for details.)
- OnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)
- Rear Seat Reminder
- Seat Belt Adjustable Guide Loops, front row only
- Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behaviour. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- Daytime Running Lamps LED signature lighting
- Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
- HD Rear Vision Camera (Removed with (UV2) HD Surround Vision.)
- Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
- LED Signature DRL's
- OnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)
- Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
- Rear Seat Reminder
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
- Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
Exterior
- Bed Step, Black integrated on forward portion of bed on driver and passenger side
- Bumper, rear chrome with bumper CornerSteps
- CornerStep, rear bumper
- Fog lamps, LED
- Grille, Chrome surround with Chrome insert bars
- IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
- LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
- Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])
- Single Rear Wheels
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires or (QF9) LT275/65R20 all-terrain, blackwall tires with (E63) pickup bed models.)
- Wheelhouse liners, rear (Not available with dual rear wheel models.)
- Wipers, front rain-sensing
- Bumper, front chrome lower
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Door handles, chrome
- Glass, deep-tinted
- Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
- Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
- Mirror caps, chrome
- Mouldings, beltline, stainless steel
- Tailgate and bed rail protection caps, top
- Tailgate, standard
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Tires, LT275/70R18E all-terrain, blackwall (Requires single rear wheels.)
- Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents (Requires single rear wheels.)
Package
- ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
Advertised prices do not include $699 documentation fee, $150 Fuel Surcharge, $799 optional Recovery and are subject to applicable taxes and levies. Prices and payments are subject to change based on manufacture incentives. Vehicles are subject to availability.
Effective September 1st, 2022, vehicles sold in Canada above $100,000 pre-tax retail price may be subject to a luxury tax of either 20% on the amount above $100,000 or a flat 10% on the full value. This tax is in addition to the Provincial Sales Tax (PST) and the Goods and Services Tax (GST). For official information, refer to the Government of Canada website.
