2026 GMC Sierra 1500 AT4

Dealership Vehicle Description
Performance & Specs
Interior
Exterior
Safety

The 2026 GMC Sierra 1500 AT4 is built for drivers who want strong diesel power, bold style, and real truck capability in Dartmouth. Finished in Black with a Black interior, this four-door pickup pairs a refined cabin with rugged 4WD confidence, making it a smart fit for work, travel, and life in Atlantic Canada.

This Sierra 1500 AT4 stands out with its 3.0L turbocharged diesel I6 engine and automatic transmission. It also includes desirable features that add comfort and convenience every day, including a sunroof, engine block heater, head-up display, and paddle shifters. For drivers shopping at Steele Chevrolet Buick GMC, this truck delivers a premium feel with practical strength.

FEATURES OF THE Sierra 1500 AT4

Black exterior delivers bold road presence
Four-door cab adds passenger flexibility
Sunroof brings in extra natural light
Head-up display keeps data in view

ADVANCED SAFETY FEATURES

Four-wheel drive supports secure road traction
Head-up display helps reduce driver distraction
Strong truck design inspires added confidence
Elevated stance improves forward road visibility

PERFORMANCE AND EFFICIENCY

Turbocharged diesel I6 delivers strong torque
Automatic transmission provides smooth gear changes
Four-wheel drive handles changing road conditions
Engine block heater supports cold starts

COMFORT AND CONVENIENCE

Four doors improve daily passenger access
Sunroof adds openness to every drive
Black interior gives a clean look
Paddle shifters add hands-on control

TECHNOLOGY AND CONNECTIVITY

Head-up display presents key driving information
Driver information stays easily within sight
Automatic operation supports relaxed daily driving
Modern cabin layout feels intuitive

TRUCK FEATURES

Diesel power supports confident towing performance
Pickup design suits work and recreation
Four-wheel drive adds off-road capability
Bed space helps carry larger cargo

CARGO SPACE

Pickup bed handles bulky gear easily
Cabin layout supports passenger and item storage
Four-door design improves loading flexibility
Versatile truck format suits active lifestyles

WHAT OTHER OWNERS LIKE

Strong diesel torque for easy hauling
Comfortable ride for a full-size truck
Confident four-wheel drive in poor weather
Useful blend of toughness and refinement

The 2026 GMC Sierra 1500 AT4 offers the kind of capability many truck buyers want without giving up comfort. The turbocharged 3.0L diesel engine is well known for delivering strong low-end torque, which helps when merging, climbing, or carrying heavier loads. Paired with an automatic transmission, it creates a smooth and composed driving experience.

Its Black exterior gives this GMC pickup a clean, assertive look that suits both urban streets and rural roads. Inside, the Black interior creates a purposeful cabin atmosphere, while the sunroof helps brighten the space. The head-up display adds a modern touch by placing key information in the driver's line of sight, helping keep attention on the road ahead.

This Sierra 1500 AT4 is also ready for Canadian conditions. The engine block heater is a valuable addition during colder months, helping with easier starts when temperatures drop. Four-wheel drive adds confidence on snow, gravel, wet pavement, and rougher terrain, making this truck a strong year-round choice for drivers in Nova Scotia.

Paddle shifters bring an added sense of control when conditions or preferences call for more direct gear selection. That feature, combined with diesel efficiency and truck capability, gives this pickup a balanced character. It feels ready for commuting, weekend towing, outdoor gear, and everyday utility without losing its upscale edge.

For shoppers visiting Steele Chevrolet Buick GMC in Dartmouth, this 2026 GMC Sierra 1500 AT4 offers a premium truck experience with proven diesel appeal, practical four-door versatility, and desirable equipment already included. It is a confident choice for drivers who want toughness, comfort, and useful technology in one well-rounded full-size pickup.

This 2026 GMC Sierra 1500 AT4's VIN is: 1GTUUEE8XTZ358241 .

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