![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [0]](https://content.homenetiol.com/320x240/66cc1bd017344aee9f58b06711ab9c1d.jpg)
![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [1]](https://content.homenetiol.com/320x240/5d784b7d0e494da7ab84afec4b9b4ddf.jpg)
![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [2]](https://content.homenetiol.com/320x240/f437e5c24895484f84bb9bf5dcb49627.jpg)
![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [3]](https://content.homenetiol.com/320x240/f63480004a74413aa5ed708b48756579.jpg)
![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [4]](https://content.homenetiol.com/320x240/6d7d09e76844431aab8f4506820f89ca.jpg)
![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [5]](https://content.homenetiol.com/320x240/e10f75005eeb46c0917c30b17525e150.jpg)
![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [6]](https://content.homenetiol.com/320x240/0ddd7c0972f94eec8dc10852e9b4deae.jpg)
![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [7]](https://content.homenetiol.com/320x240/cac2d66434784726810ea564fd87ab61.jpg)
![2021 GMC Sierra 3500HD AT4 * Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats * 6.6L Duramax Diesel [8]](https://content.homenetiol.com/320x240/f9fe93ff84184668a77eac348838e317.jpg)
Vehicle Summary
- Condition: Used
- Certified: Yes
- Body Style: 4 Door Pickup
- Fuel Type: Diesel
- Mileage: 276,000
- Engine: 6.6L Duramax Diesel
- Transmission: 10-Speed Automatic Transmission
- Drivetrain: Four Wheel Drive
- Exterior Color: Summit White
- Interior Color: Jet Black with Kalahari accents
- City MPG:
- Highway MPG:
Vehicle Highlights
Used 2021 GMC Sierra 3500HD AT4
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Vehicle Details
* Gooseneck/5th Wheel Pkg * Tech Pkg * AT4 Premium Pkg * Rear Camera Mirror * Head-Up Display * Heated/Vented Front Seats *
Keen on a heavy-duty performer that thrives on strength and luxury? Explore the 2021 GMC Sierra 3500HD AT4, a robust blend of power and sophisticated technology wrapped in a striking Summit White exterior. Powered by the formidable Duramax 6.6L Turbo-Diesel V8 engine, this truck delivers an impressive 445 hp and 910 lb-ft of torque, ready to tackle demanding tasks with ease.
This used model comes fully equipped for convenience and comfort. Enjoy heated and ventilated front seats, a heated steering wheel, and heated rear seats for those chilly mornings. The truck is designed with four-wheel drive (4x4), enhancing its capability across all terrains. GMC Multipro tailgate simplifies access to the bed, which features a protective bed liner.
For connectivity and entertainment, it includes satellite radio, smart device integration, and a WiFi hotspot. Safety and functionality are enhanced with features like the HD Surround Vision, remote engine start, and power-folding mirrors. The AT4 High Clearance Steps provide an additional touch of accessibility and style.
This Sierra 3500HD AT4, with its hitch guidance, is truly equipped for both work and leisure, making every drive seamlessly efficient. A perfect choice for those who seek a vehicle that combines durability with luxury. Odometer Reading: 276,000 Kilometers. This vehicle was last registered in Alberta.
Stock # T4265967A
AMVIC Licensed Dealer.
$1,500 cash purchase surcharge applies to all pre-owned vehicle purchases not financed or leased.
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.
Fuel consumption ratings and estimates based on GM testing in accordance with Government of Canada approved test methods. Refer to vehicles.nrcan.gc.ca for details.Your actual fuel consumption may vary.
The features and options listed are for the Used 2021 GMC Sierra 3500HD and may not apply to this specific vehicle.

