The Horne Price only excludes your state tax and tag fees. The Horne Price includes all non-conditional rebates and incentives. We make every effort to provide accurate information; any obvious discrepancies are corrected immediately. Please contact the dealer with any questions.
This 2025 GMC Sierra 2500HD AT4 is a powerful diesel pickup engineered for serious work and commanding presence. The Thunderstorm Gray exterior paired with Jet Black leather accents creates a sophisticated, professional aesthetic, while the proven Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic deliver the reliability and performance you expect from this class.
- Duramax 6.6L V8 Turbodiesel with 220-amp alternator
- Gooseneck/5th wheel prep package with hitch platform
- Technology package with premium GMC infotainment and SiriusXM 360L
- AT4 preferred package with off-road suspension and hill descent control
- Heated and ventilated leather front seats with 10-way power adjustment
- Multicolor 15" head-up display with wireless phone projection and Apple CarPlay
- HD surround vision with bed view camera and trailer camera provisions
- Ultrasonic front and rear park assist with trailer side blind zone alert
- Bose premium 7-speaker sound system with steering wheel controls
- 4WD with 2-speed active transfer case and electronic stability control
This AT4 comes well-equipped for towing, hauling, and daily driving comfort. Every detail reflects GMC's commitment to quality, from the spray-on bedliner to the heated door mirrors and LED lighting. Come see this truck in person and experience the capability and refinement it brings to the heavy-duty segment.