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![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [0]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_1.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [1]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_2.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [2]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_3.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [3]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_4.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [4]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_5.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [5]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_6.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [6]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_7.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [7]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_8.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [8]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_9.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [9]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_10.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [10]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_11.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [11]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_12.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [12]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_13.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [13]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_14.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [14]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_15.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [15]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_16.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [16]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_17.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [17]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_18.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [18]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_19.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [19]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_20.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [20]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_21.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [21]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_22.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [22]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_23.jpg)
![2026 GMC Sierra Heavy Duty truck Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible [23]](https://gm-ca.evnassets.shiftdigitalinventory.com/imagesvga/1GT4UXEY8TF417574_24.jpg)
4 wheel Drive
Anti Lock Braking System
Sun / Moonroof
Heated Seats
Steering Wheel Controls
Remote Start
Cruise Control
Universal Garage Door Opener
Backup Camera / Assist
Cross-Traffic Alert
Blind Spot Monitor
Multi-Zone A/C
Keyless Entry
Navigation
Power Seat(s)
Premium Sound
Satellite Radio
Rain Sensing Wipers
Bluetooth
Bed Liner
Back-Up Camera
Keyless Start
Cooled Seat(s)
Power Folding Mirrors
Lane Departure Warning
Wifi
Adaptive Cruise
Smartphone Integration
Android Auto
Apple CarplayPrices do not include HST, Federal Luxury Tax or Licensing. All prices, specifications and availability subject to change without notice. Contact dealer for most current information. Must be a current Costco member to qualify for Costco offers. Costco Offers are not stackable with employee and preferred pricing programs. See dealer for details.
While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at 705-523-2438 or by visiting us at the dealership. In the event of a discrepancy, error or omission, vehicle prices, rates, offers and features as established by GM Canada, will prevail.
*Payment deferral for 120 days - Conditions apply, see Dealer for complete details.
**With approved credit. Terms may vary. Monthly payments are only estimates.
Effective September 1st, 2022, vehicles sold in Canada above $100,000 pre-tax retail price may be subject to a luxury tax of either 20% on the amount above $100,000 or a flat 10% on the full value. This tax is in addition to the Provincial Sales Tax (PST) and the Goods and Services Tax (GST). For official information, refer to the Government of Canada website.
