New 2026 GMC Sierra 3500HD
AT4 Sierra 3500 AT4 Crew Cab 4WD
Vehicle price details
| MSRP | $118,984 |
| Administration Fee | +$699 |
| AMVIC Fee | +$10 |
| NORTHGATE PRICE* | $119,693 |
| + Tax & Lic | |
| Cash Discounts | |
| Non-Stackable Cash Delivery Allowance (NSCDA) - CBG | -$3,000 |
| Cash Price | $116,693 |
| + Tax & Lic | |
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Vehicle Overview
Conquer the Canadian terrain with the 2026 GMC Sierra 3500HD AT4: a robust, diesel-powered truck engineered for ultimate performance and rugged luxury.
The 2026 GMC Sierra 3500HD AT4 is a powerhouse designed for those who demand more from their truck. At the heart of this beast lies the formidable Duramax 6.6L Turbo-Diesel V8 engine, delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. Whether towing across rugged landscapes or navigating urban jungles, the Sierra 3500HD AT4 ensures you do so with confidence and authority. The integrated tailgate step and running boards provide easy access to the truck bed, making loading and unloading a breeze. Inside, the AT4 trim offers a sanctuary of comfort with heated and cooled leather seats, ensuring you stay comfortable no matter the weather. Advanced safety features like Blind Spot Monitor, Lane Departure Warning, and Front Collision Mitigation provide peace of mind on every journey. The Aerial View Display System and Back-Up Camera make manoeuvring this commanding vehicle effortless. With its Sterling Metallic exterior and premium sound system, the Sierra 3500HD AT4 is not just a truck; it’s a statement of strength and sophistication, ready to tackle whatever the Canadian roadways throw your way.
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