Meet the 2025 GMC Sierra 2500HD AT4X, a truck engineered for those who demand capability without compromise. This Gray Thunderstorm beauty combines raw power with refined comfort, designed to handle serious work and deliver a commanding presence on any road.

- 6.6L V8 Diesel Turbocharged (Duramax) engine with 470 hp and 975 lb-ft of torque
- 35-inch tires with lift kit for enhanced off-road performance
- Fuel wheels for a distinctive look
- Bose Premium Series 12-Speaker System with SiriusXM 360L
- 16-Way Power Driver and Passenger Seats with Lumbar Support
- Full Grain Leather Seat Trim with Heated and Ventilated Seats
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Apple CarPlay/Android Auto with Wireless Phone Projection
- Off-Road Suspension with 2-Speed Active Transfer Case
- Hill Descent Control and Exhaust Brake
- Lane Departure Warning, Automatic Emergency Braking, and Rear Cross Traffic Alert
- Multicolor 15 Head-Up Display and In-Vehicle Trailering System App
- Power Sunroof and Spray-On Pickup Bedliner
- Wireless Phone Charging Pad
- Engine Block Heater and 220-Amp Alternator

The diesel heart of this Sierra delivers the torque you need for towing and hauling, while the 10-speed automatic transmission ensures smooth power delivery in any condition. Under the skin lies a 2-Speed Active Transfer Case, off-road suspension tuning, and hill descent control that work together to keep you moving whether you're navigating rocky terrain or cruising the highway with confidence.

Inside, the AT4X surrounds you with comfort and technology. The full grain leather seats support long days behind the wheel with 16-way power adjustment and lumbar support on both driver and passenger sides. Heated and ventilated seating keeps you comfortable through changing seasons, while the power sunroof adds a touch of openness to the premium cabin experience. Multicolor head-up display keeps vital information visible without distraction.

Modern conveniences make every trip easier. The Bose audio system delivers premium sound with 12 speakers, and SiriusXM 360L keeps you entertained nationwide. Apple CarPlay and Android Auto integration, combined with wireless phone projection, ensure your devices work seamlessly with the truck. Wireless charging pads eliminate fumbling with cables, and multiple USB ports keep your gear powered throughout the day.

Safety technology surrounds you with protection. Automatic emergency braking, lane departure warning, rear cross traffic alert, and forward pedestrian braking work continuously to help prevent accidents. The HD surround vision system with bed view camera and trailer camera provisions gives you complete visibility when parking or trailering, while the ultrasonic front and rear park assist adds another layer of confidence.

One owner, clean Carfax, and down from our previous asking price—this Sierra 2500HD AT4X is ready for its next chapter. Whether you need a work truck that doesn't compromise on comfort or a weekend adventure rig with serious capability, this truck delivers on both fronts. Schedule your test drive today to experience the AT4X difference firsthand.