![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [0]](https://content.homenetiol.com/320x240/cd28118a4b5149158084531220bac83c.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [1]](https://content.homenetiol.com/320x240/39ff5873158447159185c465ccd649be.jpg)
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![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [3]](https://content.homenetiol.com/320x240/9c03d5cb09a6470abe7aa342546de89e.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [4]](https://content.homenetiol.com/320x240/4af4df4167804cb5ad24afefed7cfe69.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [5]](https://content.homenetiol.com/320x240/7648e182b7294402a7c1624316abaccf.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [6]](https://content.homenetiol.com/320x240/b0be978d9f084a0d9dd5d9ff208adb32.jpg)
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![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [8]](https://content.homenetiol.com/320x240/e8abc01291cf49dfb867638999da09ad.jpg)
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![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [14]](https://content.homenetiol.com/320x240/f10a484f1dea47c99e36a6aec6c026d8.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [15]](https://content.homenetiol.com/320x240/101d848a170d4edf9c42d0c1fd191437.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [16]](https://content.homenetiol.com/320x240/a05841db49df4f05906d794ba6bc770e.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [17]](https://content.homenetiol.com/320x240/14ea112bfa354acb969ae11be207353c.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [18]](https://content.homenetiol.com/320x240/10fcee94f7e04317a769b8972012d031.jpg)
![2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * 6.6L Duramax Diesel [19]](https://content.homenetiol.com/320x240/4613999981c44556a84a05ee52348186.jpg)
New 2026 GMC Sierra 3500HD
Vehicle Summary
- Condition: New
- Certified: Yes
- Body Style: Pickup
- Fuel Type: Diesel
- KMS: 5
- Engine: 6.6L Duramax Diesel
- Transmission: 10-Speed Automatic
- Drivetrain: Four Wheel Drive
- Exterior Color: Summit White
- Interior Color: Jet Black with Kalahari accents
- City MPG:
- Highway MPG:
Vehicle Details
* AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * Bose Speakers * Remote Start * HD Surround Vision * Driven by innovation and power, the 2026 GMC Sierra 3500HD AT4, stocked at our Edmonton, AB location, exemplifies rugged luxury in a stunning Summit White exterior with a sleek Jet Black interior and Kalahari accents. This formidable truck powers through with its robust 6.6L Turbo-Diesel V8 engine, delivering 470 hp and an impressive 975 lb-ft of torque, perfectly paired with a 10-speed automatic transmission. Enhanced with top-tier functionalities, the Sierra 3500HD AT4 comes equipped with the HD Surround Vision system, enhancing safety and convenience for manoeuvring in tight spaces. The adaptive cruise control and lane departure warning ensure a secure driving experience, while the heated steering wheel, ventilated front seats, heated second row seats, and heated front seats offer comfort in all sorts of weather. For those with a penchant for technology, this model includes a remote engine start and smart device integration, making connectivity seamless. Safety is paramount with features like front collision alert and a blind spot monitor. The GMC Multipro tailgate adds practicality to its design, complemented by the convenience of a bed liner for durable cargo management. Towing is made effortless with robust trailering package, ideal for both work and adventure. This new vehicle caters to the discerning buyer looking for exceptional power, advanced technology, and supreme comfort wrapped in a stylish design. Stock # T4370168 AMVIC Licensed Dealer.
Vehicle Highlights
All advertised vehicles are subject to actual dealer availability. Certain vehicles listed may not be available, or may have different prices. Prices exclude state tax, license, document preparation fee, smog fee, and finance charges, if applicable. Vehicle option and pricing are subject to change. Prices include all dealer rebates and dealer incentives. Pricing and availability varies by dealership. Please check with your dealer for more information. Prices do not include dealer charges, such as advertising, that can vary by manufacturer or region, or costs for selling, preparing, displaying or financing the vehicle. Images displayed may not be representative of the actual trim level of a vehicle. Colors shown are the most accurate representations available. However, due to the limitations of web and monitor color display, we cannot guarantee that the colors depicted will exactly match the color of the car. Information provided is believed accurate but all specifications, pricing, and availability must be confirmed in writing (directly) with the dealer to be binding. Neither the Dealer nor Catalyst IQ is responsible for any inaccuracies contained herein and by using this application you the customer acknowledge the foregoing and accept such terms.
Net Price DOES NOT include dealer or vendor installed upgrades, accessories, or added after market items. Those products are OPTIONAL and can be purchased for an additional cost. Call For Details!*
Final prices are price shown plus government fees and taxes, any finance charges, any dealer document preparation charge, and any emission testing charge.
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 Goods and Services Tax (GST). For official information, refer to the Government of Canada website.




