2026 GMC Sierra 1500 AT4

Dealership Vehicle Description
Performance & Specs
Interior
Exterior
Safety

The 2026 GMC Sierra is built for drivers who want full-size truck strength, modern diesel efficiency, and confident four-wheel-drive capability in every season. Finished in Black with a Black interior, this Sierra delivers a bold, professional look that fits job sites, highways, and weekend travel around Dartmouth with equal ease.

At Steele Chevrolet Buick GMC, this 2026 GMC Sierra stands out with its 3.0 L engine, automatic transmission, and 4 roues motrices drivetrain for secure traction on snow, rain, gravel, and rougher roads. It offers the strong, composed feel buyers expect from a GMC truck, while keeping comfort and day-to-day usability front and centre.

TRUCK FEATURES
Four-wheel drive for year-round road confidence
Strong full-size pickup capability and versatility
Durable truck design for work demands
Built for towing, hauling, and travel

ADVANCED SAFETY FEATURES
Strong truck structure supports occupant security
Elevated ride height improves road visibility
Four-wheel drive adds slippery-road confidence
Automatic transmission supports smooth vehicle control

PERFORMANCE AND EFFICIENCY
3.0 L engine balances power and efficiency
Automatic transmission delivers smooth gear changes
Four-wheel drive enhances traction in conditions
Diesel power suits long-distance highway driving

COMFORT AND CONVENIENCE
Spacious cabin supports daily driving comfort
Black interior offers clean upscale appearance
Full-size layout gives generous passenger room
Easy entry height for truck practicality

TECHNOLOGY AND CONNECTIVITY
Driver-focused layout keeps controls within reach
Clear instrumentation supports easy information viewing
Automatic transmission simplifies everyday operation
Modern truck design supports connected driving

CARGO SPACE
Pickup bed supports tools and gear
Large cargo area suits weekend projects
Truck box helps carry bulky items
Flexible hauling ability for active lifestyles

WHAT OTHER OWNERS LIKE
Efficient diesel performance for longer trips
Confident four-wheel drive in bad weather
Comfortable cabin for everyday truck use
Strong hauling ability for work tasks

The 2026 GMC Sierra is a smart choice for drivers who need a truck that feels capable every day. Its 3.0 L engine is well suited to drivers who want useful pulling power along with solid fuel efficiency on longer drives. That makes this Sierra especially appealing for commuting, road trips, and towing or hauling when duty calls.

The Black exterior gives this truck a clean and commanding presence. It looks refined in town, yet tough enough for more demanding use. Inside, the Black interior keeps the cabin looking sharp and easy to maintain. The overall design is practical and upscale, which is exactly what many buyers want in a modern full-size pickup.

With automatic transmission operation, this 2026 GMC Sierra makes daily driving easier in traffic, on the highway, and in changing road conditions. The four-wheel-drive system adds welcome confidence through Atlantic Canadian winters and on rougher surfaces, helping this truck feel ready for work or recreation throughout the year.

This truck also brings the kind of versatility that makes ownership rewarding. A full-size pickup like the Sierra can handle tools, equipment, outdoor gear, and home improvement supplies with ease. It is equally suited to busy weekdays and active weekends, giving drivers one vehicle that can do more.

For buyers visiting Steele Chevrolet Buick GMC in Dartmouth, this 2026 GMC Sierra offers a strong mix of capability, comfort, and diesel-powered efficiency. It has the presence, traction, and everyday usefulness that make a GMC truck such a dependable choice for Canadian drivers who expect more from their pickup.

This 2026 GMC Sierra's VIN is: 3GTUUEE81TG389717.

Air filter
heavy-duty
Alternator
220 amps
Auto-locking rear differential
Automatic Stop/Start
Battery
heavy-duty 850 cold-cranking amps/95 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
Brakes
4-wheel antilock, 4-wheel disc with DURALIFE rotors
Capless fuel fill
Cargo tie downs (12)
fixed, rated at 500 lbs per corner
Electronic Precision Shift and steering column paddle shifters
Exhaust
aluminized stainless-steel muffler and tailpipe
Exhaust
dual system (Includes chrome exhaust tips. Not available with (L87) 6.2L EcoTec3 V8 engine.)
Four wheel drive
Frame
fully-boxed, hydroformed front section
GVWR
7200 lbs. (3266 kg) (Requires TK10*43 Crew Cab 4WD model with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
Hill Descent Control
Pickup bed
Push Button Start
Rear axle
3.23 ratio
Recovery hooks
Red
Skid Plates
Steering
Electric Power Steering (EPS) assist, rack-and-pinion
Suspension
Off-Road with 2 factory installed lift and monotube shocks
Trailer brake controller
integrated
Transfer case
two-speed, electronic Autotrac with push button control (4WD models only)

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
Brake lining wear indicator
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 I touch screen
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
Keyless Open and Start includes remote keyless entry
Mirror
inside rearview auto-dimming
Power outlet
bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
Power outlet
interior power outlet, 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
Remote vehicle starter system
Seat adjuster
driver 10-way power including lumbar
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 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
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 lock
electrical
Steering column
power rake 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
Apple CarPlay / Wireless Android Auto

Bedliner
Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Deleted with (PCP) AT4 CarbonPro Edition.)
Bumper
front, body-colour lower
Bumper
rear body-colour with corner steps
CornerStep
rear bumper
Door handles
body-colour
Fog lamps
LED
Glass
deep-tinted
Grille (Black chrome header and grille insert bars with gloss black accents.)
Headlamps
LED projectors with Fade-on/Fade-off animation, LED turn signals and Daytime Running Lamps
IntelliBeam
automatic high beam on/off (Included and only available with (PDI) GMC 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
Lighting
perimeter
Mirror caps
high gloss Black
Mirrors
outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
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
Taillamps
LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Tire
spare 255/80R17SL all-season, blackwall (Included and only available with 20 or 22 wheels and tires excluding (QFV) LT265/60R20 MT blackwall Goodyear Wrangler Territory tires.)
Tires
275/60R20SL all-terrain, blackwall (Includes (QAQ) spare tire.)
Wheel
17 x 8 (43.2 cm x 20.3 cm) full-size, steel spare
Wheelhouse liners
rear (Deleted with (PCP) AT4 CarbonPro Edition.)
Wheels
20 x 9 (50.8 cm x 22.9 cm) machined aluminum with Carbon Grey Metallic accents
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) GMC Pro Safety.)
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) GMC Pro Safety.)
Daytime Running Lamps
LED signature lighting
Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)
Front and Rear Park Assist
ultrasonic
Front Pedestrian Braking (Included and only available with (PDI) GMC 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
Hitch View with image adjustment
Pan/Zoom/Tilt
Lane Keep Assist with Lane Departure Warning (Included and only available with (PDI) GMC 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. 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 Braking
Rear Pedestrian Alert
Rear Seat Belt Indicator
Rear Seat Reminder
Safety Alert Seat (Included and only available with (PDI) GMC Pro Safety.)
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
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