Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
Excludes $899 Document Fee and $98 Electronic Document Fee.
This 2025 GMC Sierra 2500HD AT4 delivers premium capability with a powerful 6.6L V8 Diesel Turbocharged engine and 10-speed automatic transmission. Built for serious work and commanding presence, this truck combines rugged Thunderstorm Gray exterior styling with advanced technology and luxurious comfort features that set it apart on any job site or highway.
**Key Features:**
- 6.6L V8 Diesel Turbocharged Engine with 220-Amp Alternator
- Max Trailering Package for enhanced towing capability
- AT4 Premium Plus Package with premium appointments
- Engine Block Heater for cold-weather reliability
- Apple CarPlay and Android Auto with 15" Head-Up Display
- Bose Premium 7-Speaker Sound System with SiriusXM
- Heated and Ventilated Leather Front Seats with 10-Way Power Adjustment
- Advanced Safety Suite: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Wireless Phone Projection and Charging
This AT4 is equipped with an off-road suspension, 2-speed active transfer case, and comprehensive trailering technology including hitch guidance and in-vehicle trailering system app. The spray-on bedliner with GMC logo, heated power mirrors, and LED lighting package enhance both functionality and durability. Inside, you'll find dual-zone automatic climate control, power sunroof, premium floor liners, and OnStar services capability.
Step into this Sierra and experience the perfect balance of work-ready performance and refined comfort. This truck is ready to handle whatever you demand of it. Visit us today to take the wheel.


