2026 GMC Sierra 2500HD AT4

The 2026 GMC Sierra is built for drivers who need real truck strength, modern comfort, and confident four-wheel-drive capability in every season. Offered by Steele Chevrolet Buick GMC in Dartmouth, this black-on-black Sierra brings a bold look, a powerful 6.6-litre engine, and an automatic transmission ready for work, travel, and daily use.

With its commanding stance and proven truck design, the 2026 GMC Sierra delivers the kind of presence and purpose buyers expect from a full-size pickup. The black exterior gives this truck a clean, strong appearance, while the black interior keeps the cabin looking refined and practical. This GMC Sierra is well suited for Atlantic Canadian roads, changing weather, and demanding tasks.

TRUCK FEATURES
Four-wheel drive for added road confidence
Strong 6.6-litre engine for heavy-duty tasks
Full-size pickup built for hard work
Automatic transmission supports smooth towing response

ADVANCED SAFETY FEATURES
Four-wheel drive boosts traction in weather
High driving position improves road visibility
Solid truck structure inspires added confidence
Built for steady control on rougher roads

PERFORMANCE AND EFFICIENCY
6.6-litre engine delivers strong pulling power
Automatic transmission offers smooth gear changes
Built for demanding hauling and towing
Confident performance in varied driving conditions

COMFORT AND CONVENIENCE
Spacious cabin supports daily driving comfort
Four-door truck layout aids easy entry
Black interior offers clean, practical style
Designed for workdays and weekend travel

TECHNOLOGY AND CONNECTIVITY
Clear cabin layout supports easy operation
Driver-focused controls feel simple to reach
Modern truck design supports everyday usability
Smart cabin setup helps reduce distractions

CARGO SPACE
Pickup bed handles bulky gear easily
Ideal for tools, supplies, and equipment
Built to support active work lifestyles
Useful space for jobsite or recreation

WHAT OTHER OWNERS LIKE
Strong engine performance under heavy loads
Four-wheel drive confidence in poor weather
Comfortable cabin for long driving days
Bold styling with practical truck utility

The 2026 GMC Sierra is made for buyers who want serious capability without giving up comfort and style. Its 6.6-litre engine gives this truck the muscle needed for demanding jobs, while the automatic transmission helps keep power delivery smooth and controlled. Whether you are towing, hauling, or heading out on a long drive, this GMC Sierra is prepared to handle the task.

This truck also stands out with a classic colour combination that suits its rugged character. The black exterior gives the body a strong and professional look, while the black interior creates a cabin that feels durable and easy to maintain. In a full-size pickup, that balance of visual appeal and function matters, especially for drivers who expect their truck to work hard and still look sharp.

For drivers in Dartmouth and across Nova Scotia, four-wheel drive is a major advantage. Rain, snow, gravel, and changing road conditions are all easier to manage with a truck built to put power to the ground with confidence. The 2026 GMC Sierra is ready for the jobsite, the highway, and the weekend trip with the kind of versatility full-size truck buyers value most.

If you are shopping for a powerful pickup at Steele Chevrolet Buick GMC, this 2026 GMC Sierra deserves a close look. It offers the strength of a 6.6-litre engine, the ease of an automatic transmission, and the confidence of four-wheel drive, all wrapped in a bold black finish that suits this truck perfectly.

This 2026 GMC Sierra's VIN is: 1GT4UPEY9TF388358.

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Engine: Turbocharged Diesel V8 6.6L/
Safety Equipment
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
Front and Rear Park Assist, ultrasonic
Rear Cross Traffic Alert
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
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Daytime Running Lamps, LED signature lighting
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Rear Seat Belt Indicator
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
Safety Alert Seat
Trailer Side Blind Zone Alert
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
LED Signature DRL's
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a centre stack display. Includes front camera washer.
Bed View Camera, camera in the CHMSL to show a view of the cargo bed display located in infotainment screen, includes Two Trailer Camera Provisions
Trailer Camera Provisions and trailer viewing software
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Seat Belt Adjustable Guide Loops, front row only
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.)
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
OnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)
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. Term begins on vehicle delivery date. 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. Services, connectivity, and capabilities have additional terms and limitations and are subject to change, and will vary by model, vehicle configuration, software version, conditions, and geographical and technical restrictions. Compatible smartphone required for mobile app commands. Not all vehicles may transmit all crash data; OnStar links to emergency services; Voice and Maps apps are subject to change at any time and may be provided by third parties. Non-refundable and no cash value. See onstar.ca/en/info for terms and details.)
Interior Equipment
Seat adjuster, driver 10-way power including lumbar
Seat adjuster, passenger 10-way power including lumbar
Seating, heated driver and front outboard passenger
Seats, ventilated driver and front passenger
Seats, heated second row outboard seats
Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Floor covering, colour-keyed carpeting
Steering wheel, heated
Steering wheel audio controls
Compass, located in instrument cluster
Window, power front, passenger express up/down
Windows, power rear, express down
Door locks, power
Remote vehicle starter system
Theft-deterrent system, unauthorized entry
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Defogger, rear-window electric
Mirror, inside rearview auto-dimming
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Air conditioning, dual-zone automatic climate control
Exterior Temperature Display, located in radio display
Steering column, manual Tilt-Wheel and telescoping
Rear Seat Reminder
Adaptive Cruise Control
Steering wheel, wrapped
Wireless Charging
USB Ports, 2 (first row) located on console
Air vents, rear
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
Windows, power front, drivers express up/down
Driver memory recalls driver "presets" for power driver seat and outside mirrors
USB Ports, 2, Charge/Data ports located inside centre console
Seats, front bucket with centre console
Seat trim, Perforated front Leather
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 under-seat storage, (includes child seat top tether anchor)
Premium Floor Liners with removable carpet insert, front
Premium Floor Liners with removable carpet insert, rear
GMC Premium information Display- 13.4" diagonal Multicolour touch screen
Keyless Open and Start includes remote keyless entry
USB ports, (2) charge-only, rear
Exterior Equipment
Tires, LT275/65R20 all-terrain, blackwall
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
CornerStep, rear bumper
Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
Lamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
Glass, deep-tinted
Tailgate and bed rail protection caps, top
Door handles, body-colour
Mouldings, beltline, Black
Mirror caps, high gloss Black
Wheelhouse liners, rear
Wipers, front rain-sensing
Fog lamps, LED
Bed Step, Black integrated on forward portion of bed on driver and passenger side
Wheels, 20" (50.8 cm) High Gloss black aluminum wheels 8 spokes
Tire, spare LT275/70R18 all-terrain, blackwall
Bumper, front, body-colour lower
Bumper, rear body-colour with bumper CornerSteps
Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
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
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lighting
Tailgate, GMC MultiPro Tailgate with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)
Entertainment Equipment
Bose Sound System, premium 7-speaker system with Richbass woofer
Bluetooth for phone connectivity to vehicle infotainment system
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)
Wireless phone projection for Apple CarPlay and Android Auto
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
SiriusXM Trial Subscription
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.)
Mechanical Equipment
Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)
Air filtration monitoring
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
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Brake lining wear indicator
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Pickup bed includes bed assist step
Push Button Start
Air filter, heavy-duty
Auto-locking rear differential
Hill Descent Control
Recovery hooks, Red
Transfer case, two-speed active, electronic Autotrac with push button control
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.)
Skid Plates protect the oil pan, front axle and transfer case
Suspension, Off-Road includes twin-tube shocks
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
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.)
Transmission, 10-Speed automatic
Other Equipment
Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolour 15 Diagonal Head-Up Display,GVWR 11 350 LBS. (5148 KG),TRANSMISSION 10-SPEED AUTOMATIC,ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.),GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).,UPFITTER SWITCH KIT (5) Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com.,SNOW PLOW PREP/CAMPER PACKAGE includes (KW5) 220-amp alternator includes increased front GAWR on Heavy Duty models (NZZ) skid plates (transfer case and oil pan) pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage recommend ordering (UY2) Trailering wiring provisions,SUNROOF POWER,AT4 PREFERRED EQUIPMENT GROUP includes standard equipment,REAR AXLE 3.42 RATIO,AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps