2026 GMC Sierra 1500 AT4X

Dealership Vehicle Description
Performance & Specs
Interior
Exterior
Safety

Built to take on rough trails, long highway runs, and demanding daily work, the 2026 GMC Sierra 1500 At4x brings premium truck capability with a bold black-on-black look. Offered by Steele Chevrolet Buick GMC in Dartmouth, this four-door pickup pairs a 6.2-litre gas V8 with automatic shifting and four-wheel drive for confident performance.

This 2026 GMC Sierra 1500 At4x stands out with its strong stance, refined cabin layout, and serious off-road focus. The black exterior gives it a clean, upscale presence, while the black interior keeps the cabin looking purposeful and modern. Paddle shifters add a more hands-on feel when you want extra control.

FEATURES OF THE Sierra 1500 At4x

Black exterior with bold truck presence
Black interior with premium, modern feel
Four-wheel drive for added traction
Paddle shifters for manual shift control

ADVANCED SAFETY FEATURES

Four-wheel drive aids slippery road control
Strong truck design inspires driver confidence
Large cabin supports clear outward visibility
Automatic transmission helps smoother vehicle control

PERFORMANCE AND EFFICIENCY

6.2-litre V8 delivers strong power
Automatic transmission supports smooth shifting
Paddle shifters add hands-on response
Four-wheel drive boosts all-terrain capability

COMFORT AND CONVENIENCE

Four-door layout improves daily access
Spacious cabin supports work and travel
Practical interior designed for easy use
Refined truck feel for long drives

TECHNOLOGY AND CONNECTIVITY

Paddle shifters enhance driver engagement
Clear cabin layout supports quick operation
Modern truck design fits current needs
Driver-focused controls feel easy to reach

TRUCK FEATURES

Built for towing, hauling, and trails
Pickup box supports versatile cargo tasks
Four-wheel drive helps off-road confidence
V8 power suits demanding truck duty

CARGO SPACE

Pickup bed handles large gear easily
Cabin offers room for daily items
Four-door design aids passenger flexibility
Truck layout supports work or weekends

WHAT OTHER OWNERS LIKE

Strong V8 power for confident driving
Four-wheel drive for year-round traction
Upscale cabin with rugged truck character
Smooth automatic operation with paddle shifters

The 2026 GMC Sierra 1500 At4x is a full-size truck for drivers who want real strength and refined road manners in one package. Its 6.2-litre gas V8 gives this pickup the muscle expected from a premium GMC truck, while the automatic transmission helps keep power delivery smooth in traffic, on the highway, or on loose ground.

For drivers in Dartmouth and across Atlantic Canada, four-wheel drive is a real advantage through changing seasons. This 2026 GMC Sierra 1500 At4x is ready for wet roads, snowy mornings, cottage trips, and jobsite travel. The added control of paddle shifters gives you a more involved drive when road or trail conditions call for quick gear changes.

Inside, the black interior creates a clean and upscale setting that suits both weekday duties and weekend escapes. The four-door layout makes entry easy for passengers and adds daily practicality. Whether you are loading up for work, heading out of town, or simply enjoying the strength of a V8 truck, this Sierra 1500 At4x delivers the presence and capability many drivers want.

Available now at Steele Chevrolet Buick GMC in Dartmouth, this black 2026 GMC Sierra 1500 At4x offers premium truck character, proven V8 strength, four-wheel-drive confidence, and the added control of paddle shifters. If you want a full-size pickup that feels capable, refined, and ready for more, this Sierra 1500 At4x deserves a close look.

This 2026 GMC Sierra 1500 At4x's VIN is: 3GTUUFEL2TG428227.

Air filter
heavy-duty
Alternator
220 amps
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
Differential
driver-selectable full-locking front, e-locking
Differential
driver-selectable full-locking rear, e-locking
Electronic Precision Shift and steering column paddle shifters
Exhaust
aluminized stainless-steel muffler and tailpipe
Exhaust
dual system (No exposed chrome tips in bumper. Only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
Four wheel drive
Frame
fully-boxed, hydroformed front section
GVWR
7300 lbs. (3311 kg) (Requires (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
Hill Descent Control
Pickup bed
Push Button Start
Rear axle
3.23 ratio
Skid Plates
Steering
Electric Power Steering (EPS) assist, rack-and-pinion
Suspension
Off Road with 2 factory installed lift and Multimatic DSSV dampers (Not available with 22 LPO wheels and tires.)
Trailer brake controller
integrated
Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
Transfer case
two-speed, electronic Autotrac with push button control (4WD models only) (Includes Terrain mode.)

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 Premium Series with 12-speaker system with CenterPoint
Richbass woofer and AudioPilot
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
Multicolour 15 Diagonal Head-Up Display
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 (Deleted with (ULV) AT4X AEV Edition.)
Premium Floor Liners with removable carpet insert
rear (Deleted with (ULV) AT4X AEV Edition.)
Rear Camera Mirror
inside rearview auto-dimming with full camera display
Remote vehicle starter system
Seat adjuster
driver 16-way power including lumbar and massage
Seat adjuster
passenger 16-way power including lumbar and massage
Seat trim
Full Grain 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
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
leather-wrapped
Theft-deterrent system
unauthorized entry
Universal Home Remote
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)
Bumper
rear body-colour with corner steps (Bumper colour is High Gloss Black on AT4X.)
CornerStep
rear bumper (Not included with (ULV) AT4X AEV Edition.)
Door handles
body-colour (Gloss Black with (ULV) AT4X AEV Edition.)
Fog lamps
LED
Front Bumper
AEV Stamped-steel high approach Front Bumper with heavy duty cast recovery points
Glass
deep-tinted
Grille (Gloss Black header with Dark Nickel 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
LPO
MultiPro Tailgate Audio System by Kicker
Mirror caps
high gloss Black
Mirrors
outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
Sunroof
power
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 LT275/70R18 blackwall Goodyear Wrangler Territory MT
Tires
LT275/70R18 blackwall Goodyear Wrangler Territory MT
Wheelhouse liners
rear
Wheels
18 x 8.5 (45.7 cm x 21.6 cm) Gloss Black painted full-size, spare Aluminum
Wheels
18 x 8.5 (45.7 cm x 21.6 cm) Painted aluminum with dark panted pockets
Window
power, rear sliding with rear defogger
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.)
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 (Includes Trailer View Camera Provisions and Trailer Assist Guidelines.)
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