2025 GMC Sierra 2500

**2025 GMC Sierra 2500HD AT4 Rugged Power Meets Premium Comfort** Command the road or the trail with the **2025 GMC Sierra 2500HD AT4**. Built for strength engineered for control and crafted with bold style this heavy-duty pickup blends off-road capability with upscale refinement. Dressed in **Onyx Black** and appointed with a striking **Jet Black with Kalahari Accents leather interior** the AT4 makes a powerful first impression and an even stronger lasting one. --- ### **Power & Performance** * Legendary **Duramax 6.6L V8 Turbo Diesel** engine paired with a **10-Speed Automatic Transmission** * Advanced **4WD system** with **2-Speed Active Transfer Case** for superior traction on any terrain * Equipped with both **3.42** and **3.73 axle ratios** for optimized towing and hauling flexibility * **X31 Off-Road Package** featuring **Hill Descent Control** and **Off-Road Suspension** * Integrated **Trailer Camera Provisions** **Hitch Guidance with Hitch View** and **In-Vehicle Trailering System App** --- ### **Interior & Comfort** * **Perforated Leather-Appointed Front Seats** with **Ventilation & Heating** for driver and passenger * **Heated Rear Outboard Seats** and **Heated Steering Wheel** add comfort in any climate * **10-Way Power Adjustable Front Seats** with **Lumbar Support & Driver Memory Function** * **Power Sunroof** and **Rear Sliding Window with Defogger** for added visibility and airflow * **Front Bucket Seats** and **Floor-Mounted Center Console** for a refined functional cabin layout --- ### **Technology & Innovation** * **15 Multicolor Head-Up Display** and **Rear Camera Mirror** via the **Technology Package** * **Premium GMC Infotainment System** with **Apple CarPlay Android Auto and Wireless Phone Projection** * **Bose 7-Speaker Premium Audio System** for immersive sound * **Wireless Charging** multiple USB ports and 120V outlets for seamless connectivity * **HD Surround Vision** **Rear Cross Traffic Alert** **Safety Alert Seat** and **Ultrasonic Front & Rear Park Assist** --- ### **Design & Durability** * Bold **Gloss Black Grille & Header Insert Bars** **Black Sport Steps** and **20 High Gloss Black Wheels** * **Spray-On Bedliner with GMC Logo** **LED Cargo Lighting** and **Pickup Box Camera View** for utility and visibility * **LED Smoked Amber Roof Marker Lamps** and **Body-Color Bumpers** enhance the aggressive stance * **Remote Vehicle Starter System** **Keyless Open & Start** and **Universal Home Remote** for everyday convenience --- The **2025 GMC Sierra 2500HD AT4** isn't just a workhorse it's a statement. With unshakable diesel performance off-road muscle and upscale appointments this is the truck that's as ready for the backcountry as it is for the boardroom. **Power meets purpose. Luxury meets capability. Welcome to AT4.**