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![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [4]](https://content.homenetiol.com/320x240/a901315b416648c9b93bb39719a72b15.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [5]](https://content.homenetiol.com/320x240/9f68724f1d68430e89dd2ea96f767896.jpg)
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![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [10]](https://content.homenetiol.com/320x240/cb62e3ead1a3497c9fad94478bca43bb.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [11]](https://content.homenetiol.com/320x240/08e9e772d35e434d8d100a601fb34b01.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [12]](https://content.homenetiol.com/320x240/7990bcb65ad04251913d29192e0397fa.jpg)
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![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [14]](https://content.homenetiol.com/320x240/ec0c10c522f944b49b5553cc70ebd5cb.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [15]](https://content.homenetiol.com/320x240/35d155169cb1401a957da5ff99fbf4f8.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [16]](https://content.homenetiol.com/320x240/be59d554afbb493093214ee3417f777b.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [17]](https://content.homenetiol.com/320x240/0e3c69892ea247499e0567de27f4a5cf.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [18]](https://content.homenetiol.com/320x240/147329bc120e4167bb32bfe230028ba0.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [19]](https://content.homenetiol.com/320x240/35be31d622734e7dabe778c27728555f.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [20]](https://content.homenetiol.com/320x240/1e8c32fbea2944869590bd1b46febb77.jpg)
![2026 GMC Sierra 3500HD Denali Ultimate * Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * 6.6L Duramax Diesel [21]](https://content.homenetiol.com/320x240/bd82d09151ea45da88ed711d3dcdd721.jpg)
New 2026 GMC Sierra 3500HD
Vehicle Summary
- Condition: New
- Certified: Yes
- Body Style: Pickup
- Fuel Type: Diesel
- KMS: 0
- Engine: 6.6L Duramax Diesel
- Transmission: 10-Speed Automatic
- Drivetrain: Four Wheel Drive
- Exterior Color: Sterling Metallic
- Interior Color: Alpine Umber
- City MPG:
- Highway MPG:
Vehicle Details
* Gooseneck/5th Wheel Prep Pkg * Bose Speakers * Adaptive Cruise * Head-Up Display * Rear Camera Mirror * Heated/Ventilated Front Seats * Heated Second Row Seats * Harness the formidable capability of the new 2026 GMC Sierra 3500HD Denali Ultimate, radiantly presented in Sterling Metallic with an Alpine Umber interior. This robust model is powered by an impressive Duramax 6.6L Turbo-Diesel V8 engine, seamlessly paired with a standard 10-speed automatic transmission, delivering a robust 470 horsepower and 975 lb-ft of torque. Equipped for both luxury and utility, this Sierra features a Denali Ultimate Preferred Equipment Group, smart device integration for enhanced connectivity, and a cutting-edge navigation system for seamless routing. Safety and convenience are paramount, with the HD Surround Vision system and adaptive cruise control. The inclusion of power retractable assist steps, a sunroof, and power folding mirrors add sophistication and functionality. For those who demand top-tier towing capacity, the Gooseneck / 5th Wheel Prep Pkg stands ready to facilitate your hauling needs, supported by a bed liner and integrated tailgate step. Occupants can enjoy heated and ventilated front seats, with a massage feature for the driver, creating an oasis of comfort amidst rugged utility. Blind spot monitoring and cross-traffic alert underpin a commitment to safety, enhanced further by the rear parking aid and a comprehensive suite of airbags. Whether it's for work or weekend getaways, this GMC Sierra balances rugged capability with undeniable elegance. Stock #T4383722 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.




