Power Through Any Challenge with the 2023 GMC Sierra 2500HD AT4 – Rugged Capability Meets Refined Performance for Demanding Canadian Roads and Worksites
The 2023 GMC Sierra 2500HD AT4 is built for those who require serious strength and reliability in their daily drive. Equipped with a robust 6.6L V8 engine, this large 4x4 pickup delivers impressive torque and towing capacity, making it ideal for hauling heavy loads or navigating tough terrain. The AT4 trim adds off-road-ready features such as an advanced suspension system and skid plates, ensuring confidence whether you’re on a remote job site or exploring rugged backcountry trails.
Designed with the hardworking Canadian driver in mind, the Sierra 2500HD combines durability with smart technology. Its trailering package includes integrated trailer brake control and a multi-camera system, providing enhanced visibility and control when towing large trailers or equipment. The spacious cabin offers premium materials and supportive seating, allowing you to stay comfortable during long hauls or demanding workdays.
Finished in a striking white exterior, this used 2023 model balances bold style with practical toughness. For those who need a dependable partner to tackle heavy-duty tasks without compromise, the GMC Sierra 2500HD AT4 stands ready to deliver unmatched performance and capability.
Power Through Any Challenge with the 2023 GMC Sierra 2500HD AT4 – Rugged Capability Meets Refined Performance for Demanding Canadian Roads and Worksites
The 2023 GMC Sierra 2500HD AT4 is built for those who require serious strength and reliability in their daily
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ProGrade Trailering System Hitch Guidance w/Hitch View With 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 system is factory ordered and sensors are installed.
3.73 Rear Axle Ratio
Manual Tilt-Wheel/Telescoping Steering Column
Steering Wheel Audio Controls
X31 Off-Road Package Includes twin-turbo Rancho shocks.Hill Descent Control Off-Road Suspension Skid Plates Protect the oil pan, front axle and transfer case.
Heated & Ventilated Front Bucket Seats
2-Speed Active Transfer Case Electronic Autotrac with push button control.
OnStar & GMC Connected Services Capable Terms and limitations apply. See onstar.ca or dealer for details.GMC Connected Access Capable Includes 10 years of standard connectivity which enables services such as, vehicle diagnostics, dealer maintenance notification and more. Subject to terms. See onstar.ca or dealer for details. Wi-Fi Hotspot Capable Terms and limitations apply. See onstar.ca or dealer for details.
Unauthorized Entry Theft-Deterrent System
Electrical Lock Control Steering Column
Red Recovery Hooks
Power Front Passenger Windows w/Express Up/Down
4.2" Diagonal Colour Display Driver Info Centre Includes driver personalization.
Radio: AM/FM w/Premium GMC Infotainment System Includes 8" diagonal colour touch-screen, multi-touch display, Bluetooth streaming audio for music and most phones, featuring wireless Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps and personalized profiles for infotainment and vehicle settings.6-Speaker Audio System Feature SiriusXM w/360L Enjoy a trial subscription of the Platinum plan package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the Platinum plan package, you can also enjoy your favourites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM customer agreement at www.siriusxm.ca for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com/ca for details and limitations.
Perforated Leather-Appointed Front Seat Trim
Wireless Phone Projection For Apple CarPlay and Android Auto.
Keyless Open & Start
Power Rear Windows w/Express Down
LED Cargo Area Lighting Located in cargo bed activated with switch on centre switch bank or key fob.
Electric Rear-Window Defogger
120-Volt Bed Mounted Power Outlet 400 watts shared with (KI4) instrument panel mounted power outlet.
Painted Black Surround Grille Includes high gloss black mesh and black chrome inserts.
Tires: LT275/70R18E AT BW Spare LT275/70R18 AT BW Tire
Heated 2nd Row Outboard Seats
Floor-Mounted Centre Console Includes cup holders, cell phone storage, power cord management and hanging file folder capability.
Power Door Locks
Integrated Trailer Brake Controller
Remote Vehicle Starter System
Rear Wheelhouse Liners
Deep-Tinted Glass
2 USB Ports (1st Row) Located on instrument panel.
2 USB Ports Inside console. Includes 1 SD card reader and aux