NEW2026 GMC Sierra 2500HD AT4
Steele ChevCall: (902) 434-4100
PRICE: $117,049*
Stock#: N144102
VIN: 1GT4UPEY4TF144102
Exterior Colour: Volcanic Red Tintcoat
Interior Colour: Jet Black With Kalahari Accents
Interior Colour: Jet Black With Kalahari Accents
*Plus applicable taxes, licensing and fees. Discounts subject to program
eligibility. Please check with dealer for details.
Steele Chev Sales Team:
Dealer Comments
Built for serious work and real off-road confidence, this 2026 GMC Sierra 2500 AT4 delivers heavy-duty strength with premium comfort in one bold package. Finished in red with a black interior, this four-door truck is equipped with a 6.6-litre turbocharged diesel V8, automatic transmission, and four-wheel drive for strong capability in every season.
At Steele Chevrolet Buick GMC in Dartmouth, this Sierra 2500 AT4 stands out as a smart choice for drivers who need a truck that can handle demanding jobs, weekend towing, and rough terrain. The added sunroof, engine block heater, and head-up display bring extra comfort and convenience to an already capable heavy-duty pickup.
FEATURES OF THE Sierra 2500 AT4
Red exterior with bold truck presence
Black interior with practical cabin layout
Sunroof adds open-air driving enjoyment
Head-up display keeps data in view
TRUCK FEATURES
Heavy-duty pickup built for demanding tasks
Four-wheel drive for added traction
Diesel power supports confident towing strength
Four-door cab adds everyday practicality
ADVANCED SAFETY FEATURES
Head-up display helps reduce driver distraction
Four-wheel drive supports steady road grip
High driving position improves outward visibility
Heavy-duty build inspires secure road feel
PERFORMANCE AND EFFICIENCY
6.6-litre turbocharged diesel V8 power
Automatic transmission supports smooth shifting
Diesel torque suits hauling and towing
Engine block heater aids cold starts
COMFORT AND CONVENIENCE
Sunroof brightens the cabin environment
Four full doors ease passenger entry
Spacious cabin suits work or travel
Black interior offers clean appearance
TECHNOLOGY AND CONNECTIVITY
Head-up display shows key driving data
Driver information stays within easy view
Clear layout supports quick interaction
Modern cabin design feels user-friendly
CARGO SPACE
Pickup bed supports large gear loads
Cabin offers room for personal items
Rear area helps carry extra equipment
Built for worksite and weekend needs
WHAT OTHER OWNERS LIKE
Strong diesel torque for heavy jobs
Confident four-wheel drive capability year-round
Comfortable cabin for long travel days
Useful mix of work and comfort
The 2026 GMC Sierra 2500 AT4 is designed for drivers who want true heavy-duty performance without giving up everyday comfort. Its turbocharged diesel V8 delivers the kind of low-end pulling power truck buyers look for when towing trailers, carrying equipment, or heading into challenging terrain. The automatic transmission helps make that power easy to use, whether on the highway, at the jobsite, or on back roads.
This truck also brings a refined side to its rugged character. The sunroof adds extra light and a more open feel to the cabin, while the head-up display helps keep important driving information in your line of sight. In colder Atlantic Canadian weather, the engine block heater is a welcome addition that supports easier starts during winter mornings.
The red exterior gives this Sierra 2500 AT4 a confident look that matches its capability. Inside, the black interior keeps things clean, practical, and ready for daily use. With four doors and a roomy cabin, it is well suited for both crew transport and family travel. This is a truck that works hard, feels solid, and is ready for drivers who expect more from their pickup.
This 2026 GMC Sierra 2500 AT4's VIN is: 1GT4UPEY4TF144102.
At Steele Chevrolet Buick GMC in Dartmouth, this Sierra 2500 AT4 stands out as a smart choice for drivers who need a truck that can handle demanding jobs, weekend towing, and rough terrain. The added sunroof, engine block heater, and head-up display bring extra comfort and convenience to an already capable heavy-duty pickup.
FEATURES OF THE Sierra 2500 AT4
Red exterior with bold truck presence
Black interior with practical cabin layout
Sunroof adds open-air driving enjoyment
Head-up display keeps data in view
TRUCK FEATURES
Heavy-duty pickup built for demanding tasks
Four-wheel drive for added traction
Diesel power supports confident towing strength
Four-door cab adds everyday practicality
ADVANCED SAFETY FEATURES
Head-up display helps reduce driver distraction
Four-wheel drive supports steady road grip
High driving position improves outward visibility
Heavy-duty build inspires secure road feel
PERFORMANCE AND EFFICIENCY
6.6-litre turbocharged diesel V8 power
Automatic transmission supports smooth shifting
Diesel torque suits hauling and towing
Engine block heater aids cold starts
COMFORT AND CONVENIENCE
Sunroof brightens the cabin environment
Four full doors ease passenger entry
Spacious cabin suits work or travel
Black interior offers clean appearance
TECHNOLOGY AND CONNECTIVITY
Head-up display shows key driving data
Driver information stays within easy view
Clear layout supports quick interaction
Modern cabin design feels user-friendly
CARGO SPACE
Pickup bed supports large gear loads
Cabin offers room for personal items
Rear area helps carry extra equipment
Built for worksite and weekend needs
WHAT OTHER OWNERS LIKE
Strong diesel torque for heavy jobs
Confident four-wheel drive capability year-round
Comfortable cabin for long travel days
Useful mix of work and comfort
The 2026 GMC Sierra 2500 AT4 is designed for drivers who want true heavy-duty performance without giving up everyday comfort. Its turbocharged diesel V8 delivers the kind of low-end pulling power truck buyers look for when towing trailers, carrying equipment, or heading into challenging terrain. The automatic transmission helps make that power easy to use, whether on the highway, at the jobsite, or on back roads.
This truck also brings a refined side to its rugged character. The sunroof adds extra light and a more open feel to the cabin, while the head-up display helps keep important driving information in your line of sight. In colder Atlantic Canadian weather, the engine block heater is a welcome addition that supports easier starts during winter mornings.
The red exterior gives this Sierra 2500 AT4 a confident look that matches its capability. Inside, the black interior keeps things clean, practical, and ready for daily use. With four doors and a roomy cabin, it is well suited for both crew transport and family travel. This is a truck that works hard, feels solid, and is ready for drivers who expect more from their pickup.
This 2026 GMC Sierra 2500 AT4's VIN is: 1GT4UPEY4TF144102.
- Adaptive Cruise Control
- Air conditioning, dual-zone automatic climate control
- Air vents, rear
- 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
- Bluetooth for phone connectivity to vehicle infotainment system
- Bose Sound System, premium 7-speaker system with Richbass woofer
- Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
- Compass, located in instrument cluster
- Defogger, rear-window electric
- Door locks, power
- Driver Information Centre, enhanced, 12.3 diagonal reconfigurable multicolour digital display
- Driver memory recalls driver presets for power driver seat and outside mirrors
- Exterior Temperature Display, located in radio display
- Floor covering, colour-keyed carpeting
- GMC Premium information Display- 13.4 diagonal Multicolour touch screen
- Keyless Open and Start includes remote keyless entry
- Mirror, inside rearview auto-dimming
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- Premium Floor Liners with removable carpet insert, front
- Premium Floor Liners with removable carpet insert, rear
- Rear Seat Reminder
- Remote vehicle starter system
- Seat adjuster, driver 10-way power including lumbar
- Seat adjuster, passenger 10-way power including lumbar
- 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)
- Seating, heated driver and front outboard passenger
- Seats, front bucket with centre console
- Seats, heated second row outboard seats
- Seats, ventilated driver and front passenger
- 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.)
- Steering column, manual Tilt-Wheel and telescoping
- Steering wheel audio controls
- Steering wheel, heated
- Steering wheel, wrapped
- Theft-deterrent system, unauthorized entry
- USB ports, (2) charge-only, rear
- USB Ports, 2 (first row) located on console
- USB Ports, 2, Charge/Data ports located inside centre console
- Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)
- Window, power front, passenger express up/down
- Windows, power front, drivers express up/down
- Windows, power rear, express down
- Wireless Charging
- Wireless phone projection for Apple CarPlay and Android Auto
- Bed Step, Black integrated on forward portion of bed on driver and passenger side
- Bedliner, Spray-on, Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)
- Bumper, front, body-colour lower
- Bumper, rear body-colour with bumper CornerSteps
- Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
- CornerStep, rear bumper
- Door handles, body-colour
- Fog lamps, LED
- Glass, deep-tinted
- 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.)
- Lamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
- LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
- Mirror caps, high gloss Black
- 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
- Mouldings, beltline, Black
- Tailgate and bed rail protection caps, top
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- 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
- Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Tire, spare LT275/70R18 all-terrain, blackwall
- Tires, LT275/65R20 all-terrain, blackwall
- Wheelhouse liners, rear
- Wheels, 20 (50.8 cm) High Gloss black aluminum wheels 8 spokes
- Wipers, front rain-sensing
- 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
- Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- 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
- 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.)
- Daytime Running Lamps, LED signature lighting
- Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
- Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
- Front and Rear Park Assist, ultrasonic
- Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
- 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.
- Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
- Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
- Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
- LED Signature DRL's
- 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.)
- OnStar services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)
- Rear Cross Traffic Alert
- Rear Seat Belt Indicator
- Safety Alert Seat
- Seat Belt Adjustable Guide Loops, front row only
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- 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
- Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
- Trailer Camera Provisions and trailer viewing software
- Trailer Side Blind Zone Alert
- Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
- Air filter, heavy-duty
- Air filtration monitoring
- Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
- Auto-locking rear differential
- 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.)
- Brake lining wear indicator
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
- Cooling, auxiliary external transmission oil cooler
- Cooling, external engine oil cooler
- Four wheel drive
- Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
- 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.)
- Hill Descent 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.)
- Pickup bed includes bed assist step
- Push Button Start
- Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
- Recovery hooks, Red
- Skid Plates protect the oil pan, front axle and transfer case
- Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
- Suspension, Off-Road includes twin-tube shocks
- Trailer brake controller, integrated
- Transfer case, two-speed active, electronic Autotrac with push button control
- VIN: 1GT4UPEY4TF144102






