2026 GMC Sierra 1500 AT4X

Dealership Vehicle Description
Performance & Specs
Interior
Exterior
Safety

Built for drivers who want premium off-road confidence and full-size truck capability, the 2026 GMC Sierra 1500 At4x delivers strong diesel torque, four-wheel-drive traction, and upscale comfort in one bold package. Finished in Black with a Black interior, this four-door pickup at Steele Chevrolet Buick GMC in Dartmouth is ready for work, travel, and all-season driving.

The 2026 GMC Sierra 1500 At4x stands out with its refined road manners and serious truck presence. Its Turbocharged Diesel I6 3.0 L engine pairs with an automatic transmission for smooth power delivery, while four-wheel drive helps this truck stay composed on loose surfaces, rough roads, and changing Maritime weather.

FEATURES OF THE Sierra 1500 At4x

Black exterior with premium truck presence
Turbocharged 3.0 L diesel six-cylinder power
Four-wheel drive for confident traction
Paddle shifters for added control

TRUCK FEATURES

Full-size pickup built for demanding tasks
Four-door cab adds everyday practicality
Diesel torque supports hauling and towing
Four-wheel drive suits rough terrain

ADVANCED SAFETY FEATURES

Four-wheel drive aids slippery road control
Strong truck stance supports stable driving
Large cabin design improves outward visibility
Automatic transmission promotes smoother operation

PERFORMANCE AND EFFICIENCY

Turbocharged diesel engine delivers strong torque
Automatic transmission provides smooth gear changes
Paddle shifters add hands-on driving control
Engine block heater supports cold starts

COMFORT AND CONVENIENCE

Four-door layout improves passenger access
Spacious cabin suits daily driving needs
Black interior offers a clean look
Full-size truck comfort for longer trips

TECHNOLOGY AND CONNECTIVITY

Paddle shifters enhance driver interaction
Clear control layout supports easy use
Modern truck cabin feels well organized
Useful features focus on daily driving

CARGO SPACE

Pickup bed supports gear and supplies
Truck design suits work and recreation
Large format handles bulky cargo well
Cabin storage helps organize smaller items

WHAT OTHER OWNERS LIKE

Strong diesel torque for everyday pulling
Comfortable ride for a full-size truck
Confident four-wheel-drive capability year-round
Practical cabin with versatile truck utility

For drivers who need a truck that feels capable in every season, the 2026 GMC Sierra 1500 At4x makes a strong case. The diesel engine is a key highlight, offering the low-end pull many truck owners value for towing, hauling, and relaxed highway cruising. It also brings the kind of steady performance that suits both jobsite use and long-distance travel.

This GMC pickup also benefits from a practical four-door layout, making it easier to bring passengers along without giving up the utility expected from a full-size truck. The Black exterior gives it a clean, confident appearance, while the Black interior keeps the cabin looking sharp and easy to live with day after day.

The inclusion of paddle shifters adds an extra layer of driver control, a nice touch for those who like a more engaged feel behind the wheel. The engine block heater is especially useful in Canadian winters, helping support easier cold-weather starts during freezing mornings in Dartmouth and beyond.

At Steele Chevrolet Buick GMC, this 2026 GMC Sierra 1500 At4x offers a premium truck experience centred on real capability, diesel efficiency, and everyday usefulness. If you want a full-size pickup with upscale appeal, strong traction, and proven truck character, this Sierra 1500 At4x deserves a close look.

This 2026 GMC Sierra 1500 At4x's VIN is: 3GTUUFE81TG286870.

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