http://schema.org/NewCondition 2026 GMC 1GT4UPEY2TF220853 AT4

2026
GMC SIERRA 2500HD AT4 4X4 CREW CAB 6.75 FT. BOX (4SB)

List Price

$119,027

119 027 $


All In Price

+ HST & Licensing.

$119,027

Georgetown Chevrolet

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Conquer the Road with Confidence: The 2026 GMC Sierra 2500HD AT4 – Where Power Meets Precision for the Ultimate Driving Experience

Discover the pinnacle of power and precision with the new 2026 GMC Sierra 2500HD AT4. This large pick-up is engineered for those who demand more from their drive, featuring a robust 6.6L 8-cylinder engine that delivers unparalleled strength and performance. With a 10-speed automatic transmission and a sophisticated 4x4 drivetrain, this truck is ready to tackle any terrain with ease, ensuring you remain in control no matter the conditions.

The Sierra 2500HD AT4's striking black exterior exudes a commanding presence on the road, while its black interior offers a refined and comfortable environment for every journey. Designed with the discerning driver in mind, the AT4 trim with the Preferred Equipment Group 4SB provides advanced features tailored to enhance your driving experience.

Whether you're navigating city streets or venturing off the beaten path, the 2026 GMC Sierra 2500HD AT4 is your trusted companion, combining rugged capability with modern sophistication. Experience the perfect blend of power, style, and technology in a truck that stands ready to meet the demands of your active lifestyle.


Body Style: Pickup
Engine: 6.6L 8cyl
Mileage: 120 km
Exterior Colour: Black
Interior Colour: Black
VIN: 1GT4UPEY2TF220853
Fuel Type: Gasoline
Transmission: Automatic
Drivetrain: 4x4
Stock #: 42900
Dealer Code: GCB
Trim Details: AT4 4x4 Crew Cab 6.75 ft. box

ProGrade Trailering System Hitch Guidance with Hitch View Includes image adjustment and pan/zoom/tilt. in-Vehicle Trailering System App 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 monitoring sensors are installed.
X31 Off-Road Package Includes twin-tube Rancho shocks.Hill Descent Control Off-Road Suspension Includes twin-tube shocks. Skid Plates Protect the oil pan, front axle and transfer case.
Remote Vehicle Starter System
Ventilated Driver and Front Passenger Seats
Gloss Black Header Grille and Grille Insert Bars Includes black chrome accents.
Deep-Tinted Glass
2 USB Ports Located on 1st row console.
Wireless Charging
Perforated Leather-Appointed Front Seat Trim
OnStar Services Capable See onstar.ca for details and limitations. Services vary by model. Service plan required.
Ultrasonic Front and Rear Park Assist
120-Volt Bed Mounted Power Outlet 400 watts shared with (KI4) instrument panel mounted power outlet.
Rear Cross Traffic Alert
Push Button Start
Power Front Passenger Windows with Express Up/Down
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.
Heated Driver and Front Outboard Passenger Seats

120-Volt Instrument Panel Power Outlet 400 watts shared with (KC9) bed mounted power outlet.
Steering Wheel Audio Controls
Safety Alert Seat
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.
Wireless Phone Projection For Apple CarPlay and Android Auto.
Electric Rear-Window Defogger
Wheels: 20" High Gloss Black 8 Spokes Aluminum (50.8 cm).
Bose Premium 7-Speaker Sound System Includes Richbass woofer.
LED Cargo Area Lighting Located in cargo bed activated with switch on centre switch bank or key fob.
Front Rain-Sensing Wipers
Bed View Camera with Two Trailer Camera Provisions Includes camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen.
2 Charge-Only Rear USB Ports
Floor-Mounted Centre Console Includes cup holders, cell phone storage, power cord management and hanging file folder capability.
Trailer Side Blind Zone Alert
Tires: LT275/65R20 AT BW LT275/70R18 AT BW Spare Tire
Sierra HD Pro Safety Automatic Emergency Braking 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. Following Distan


Axle RatiosMSRP
3.73 Rear Axle Ratio$00 $

Body
Pickup Box - Includes bed assist step.$00 $

Engine
Engine: 6.6L V8 w/Direct Injection & VVT - (Heavy-Duty 80 Amp Battery (Includes 720 cold-cranking amps, maintenance-free with rundown protection and retained accessory power.), GVWR: 4,921 kgs (10,850 Lbs))$00 $

GVWR/Payload
GVWR: 4,921 kgs (10,850 Lbs)$00 $

Marketing Option Package
Preferred Equipment Group 4SB - (Engine: 6.6L V8 w/Direct Injection & VVT, Heavy-Duty 80 Amp Battery (Includes 720 cold-cranking amps, maintenance-free with rundown protection and retained accessory power.), GVWR: 4,921 kgs (10,850 Lbs), Transmission: 10-Speed Automatic, 3.73 Rear Axle Ratio, Front Bucket Seats, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, Driver Memory (Recalls driver presets for power driver seat and outside mirrors.), Perforated Leather-Appointed Front Seat Trim, Wheels: 20" High Gloss Black 8 Spokes Aluminum ((50.8 cm).), Tires: LT275/65R20 AT BW, LT275/70R18 AT BW Spare Tire, Radio: AM/FM w/Premium GMC Infotainment System (Includes 13.4" diagonal multicolour touch-screen, Google built in apps such as navigation and voice assistance, multi-touch display, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones.), Sierra HD Pro Safety, Forward Collision Alert, Following Distance Indicator, Front Pedestrian Braking, IntelliBeam Automatic High Beam On/Off, Lane Departure Warning, 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.), Automatic Emergency Braking, Safety Alert Seat, Rear Cross Traffic Alert, Trailer Side Blind Zone Alert, Wireless Phone Projection (For Apple CarPlay and Android Auto.), Bose Premium 7-Speaker Sound System (Includes Richbass woofer.), SiriusXM w/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.), Floor-Mounted Centre Console (Includes cup holders, cell phone storage, power cord management and hanging file folder capability.), Electric Rear-Window Defogger, Push Button Start, Remote Vehicle Starter System, Keyless Open & Start (Includes remote keyless entry.), Front Prem Floor Liners w/Removable Carpet Insert, Rear Prem Floor Liners w/Removable Carpet Insert, OnStar Services Capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.), 120-Volt Instrument Panel Power Outlet (400 watts shared with (KC9) bed mounted power outlet.), 120-Volt Bed Mounted Power Outlet (400 watts shared with (KI4) instrument panel mounted power outlet.), 2 Charge-Only Rear USB Ports, 2 USB Ports (Located on 1st row console.), 2 Charge/Data USB Ports Inside Centre Console, 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.), Bed View Camera w/2 Trailer Camera Provisions (Includes camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen.), Trailer Cam Provisions & Trailer Viewing Software, Spray-on Pickup Bedliner w/GMC Logo (Does not include spray-on liner on tailgate due to black composite inner panel.), Heated Driver & Front Outboard Passenger Seats, Ventilated Driver & Front Passenger Seats, Heated 2nd Row Outboard Seats, Deep-Tinted Glass, Steering Wheel Audio Controls, Gloss Black Header Grille & Grille Insert Bars (Includes black chrome accents.), Manual Tilt-Wheel/Telescoping Steering Column, Unauthorized Entry Theft-Deterrent System, LED Cargo Area Lighting (Located in cargo bed activated with switch on centre switch bank or key fob.), Power Front Passenger Windows w/Express Up/Down, Wireless Charging, Ultrasonic Front & Rear Park Assist, Rear Wheelhouse Liners, Front Rain-Sensing Wipers, X31 Off-Road Package (Includes twin-tube Rancho shocks.), Hill Descent Control, Skid Plates (Protect the oil pan, front axle and transfer case.), Off-Road Suspension (Includes twin-tube shocks.), ProGrade Trailering System, Hitch Guidance w/Hitch View (Includes image adjustment and pan/zoom/tilt.), In-Vehicle Trailering System App (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 monitoring sensors are installed.), 2-Speed Active Transfer Case (Electronic Autotrac with push button control.))$00 $

Radio Type
Radio: AM/FM w/Premium GMC Infotainment System - Includes 13.4" diagonal multicolour touch-screen, Google built in apps such as navigation and voice assistance, multi-touch display, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones.$00 $

Seat Trim
Perforated Leather-Appointed Front Seat Trim$00 $

Seat TypeMSRP
Front Bucket Seats - (10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, Driver Memory (Recalls driver presets for power driver seat and outside mirrors.))$00 $

Suspension Type
Off-Road Suspension - Includes twin-tube shocks.$00 $

Tire Type
Tires: LT275/65R20 AT BW - (LT275/70R18 AT BW Spare Tire)$00 $

Transmissions
Transmission: 10-Speed Automatic$00 $

Wheel Type
Wheels: 20" High Gloss Black 8 Spokes Aluminum - (50.8 cm).$00 $

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Warranty Information Standard
Basic distance: 60,000 km
Basic months: 36 months
Basic warranty: 36 months/60,000km
Corrosion perforation warranty: 60 months/ unlimited distance
Drivetrain distance: 100,000 km
Drivetrain months: 60 months
Powertrain warranty: 60 months/100,000km
Roadside assistance coverage: 60 months/100,000km
Roadside distance: 100,000 km
Roadside months: 60 months

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* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026 GMC Sierra 2500HD AT4 4x4 Crew Cab 6.75 ft. box may not match the exact vehicle displayed. Please confirm with a sales representative the accuracy of this information.

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