Meet the 2025 GMC Sierra 2500HD AT4X, a powerful diesel crew cab engineered for serious work and premium comfort. This gray 4WD truck delivers the commanding presence and capability you expect from GMC's flagship heavy-duty line, powered by the legendary Duramax 6.6L V8 Turbodiesel paired with a smooth 10-speed automatic transmission. With Obsidian Rush full grain leather seats and a fully inspected history, you're looking at a meticulously maintained truck ready for immediate duty or adventure.
- 360-Degree Camera & HD Surround Vision
- Adaptive Cruise Control with Lane Departure Warning
- Apple CarPlay, Android Auto & Wireless Phone Projection
- Bose Premium 12-Speaker System with SiriusXM 360L Trial
- Gooseneck/5th Wheel Prep Package & Trailer Tire Pressure Monitors
- Heated & Ventilated Leather Seats with Power Adjustments
- Multicolor 15" Head-Up Display & Wireless Charging
- Ultrasonic Park Assist with Rear Cross Traffic Alert
- Remote Vehicle Starter & Keyless Push Button Start
- Power Sunroof with Electric Rear Window Defogger
The AT4X trim combines rugged off-road capability with refined interior appointments. Advanced safety technologies including hill descent control, electronic stability control, and automatic emergency braking keep you confident in any condition. This truck's interior workspace features dual power outlets, premium floor liners, LED cargo lighting, and a bed-mounted power outlet for seamless jobsite integration.
Come experience the Sierra 2500HD AT4X for yourself and discover why this premium diesel platform sets the standard for capability and comfort in the heavy-duty segment.

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