![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [0]](https://content.homenetiol.com/320x240/a7859f0ced934136b3a3002770ba5b04.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [1]](https://content.homenetiol.com/320x240/e4b5727381b4402291fae8cb7a8e9e21.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [2]](https://content.homenetiol.com/320x240/57fc2fc589504492bdce6a180bacbb76.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [3]](https://content.homenetiol.com/320x240/139f431509df4032833761d04f050e71.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [4]](https://content.homenetiol.com/320x240/204f938d37084799bcac20baa405c59f.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [5]](https://content.homenetiol.com/320x240/a5a39377b03f48faa155c8b50829ed76.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [6]](https://content.homenetiol.com/320x240/5b7412870c1a4ce987e6f8cd0a779927.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [7]](https://content.homenetiol.com/320x240/8afd5181172f4c8b8825149b07a910e1.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [8]](https://content.homenetiol.com/320x240/c91871e53ed1439abd274147743cc2f9.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [9]](https://content.homenetiol.com/320x240/c58079e157af447fa9dc6c9b101e290c.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [10]](https://content.homenetiol.com/320x240/d4d43203b5fb40efb884d908a1517cf4.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [11]](https://content.homenetiol.com/320x240/7b557983d16b43cba0df31f43a9529fa.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [12]](https://content.homenetiol.com/320x240/f4a52cc6603d4b70904450490a1d6289.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [13]](https://content.homenetiol.com/320x240/e706e09b112e461694537079d9f3af8a.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [14]](https://content.homenetiol.com/320x240/eb99b86eba0547018c3e98826c17ff21.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [15]](https://content.homenetiol.com/320x240/636104d4b7b948e3a32f7f194ab2a6cf.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [16]](https://content.homenetiol.com/320x240/e4d354cd69244df28566e5b2839aec59.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [17]](https://content.homenetiol.com/320x240/e71f63539657498180e8e316e7022fd1.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [18]](https://content.homenetiol.com/320x240/f9cc41b8e4bf4175986c5a4cfa16c2b3.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [19]](https://content.homenetiol.com/320x240/0e397888c6ed4c0cbfd2ecaa95a78125.jpg)
![2025 GMC Sierra 3500HD AT4 4WD Crew Cab 159 Inch AT4 6.6L DuraMax Turbo-Diesel [20]](https://content.homenetiol.com/320x240/5c217e0e10e3462086df43e03fb8b331.jpg)
New 2025 GMC Sierra 3500HD
Vehicle Summary
- Condition: New
- Certified: Yes
- Body Style: Pickup
- Fuel Type: Diesel
- KMS: 0
- Engine: 6.6L DuraMax Turbo-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
Begin your exploration of robust performance and refined comfort with the 2025 GMC Sierra 3500HD AT4, presented in a stunning Summit White exterior paired with a luxurious Black interior. This formidable 4x4 powerhouse is designed to tackle the toughest tasks with ease, featuring a formidable 8 cylinder Diesel Engine and sophisticated Allison 10-Speed Automatic Transmission. The Sierra 3500HD AT4 sets the standard for heavy-duty trucks, offering a suite of advanced features that blend functionality and luxury. Riders will appreciate the finely crafted Jet Black with Kalahari accents, perforated front leather seating surfaces, ensuring comfort during the long hauls. The High Idle Switch enhances operability under varying conditions, and the inclusion of an AT4 Premium Plus Package amplifies its capability and aesthetics. Safety and convenience are paramount, with features like Front Collision Warning, Blind Spot Monitor, and Lane Departure Warning ensuring peace of mind. Adaptive Cruise Control and a Rear Parking Aid further improve the driving experience, allowing for confident navigation through bustling streets or open highways. Stay connected and entertained with seamless Smart Device Integration, while the Premium Sound System provides an immersive audio experience. The integrated Navigation System guides you efficiently to your destination, and the power sunroof invites natural light, adding to the vehicle's ambiance. Practicality is also at the forefront, with an LPO Off-Road High Clearance Step for ease of access and an LPO Rear Underseat Storage to keep your gear organized. The truck's prowess is evident with its Tow Hitch, ensuring capability for all your towing needs. Adding to its exterior charm, LED Headlights, Running Boards/Side Steps, and Aluminum Wheels offer both function and style. To further accommodate the Canadian climate, All-Weather Floor Liners protect the interior from the elements, and Rain Sensing Wipers adapt to changing weather conditions. The Bed Liner safeguards your truck bed from damage during loading and unloading. Experience the ultimate partnership of luxury and power with this GMC Sierra 3500HD AT4, a true testament to versatility and high-end performance. For further inquiries and a detailed look at this exceptional vehicle, reference Stock # T4263739. 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 Fox Dealer Interactive 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 Provincial Sales Tax (PST) and the Goods and Services Tax (GST). For official information, refer to the Government of Canada website.