The 2025 GMC Sierra 3500HD AT4 is a rugged and capable heavy-duty pickup that's ready to handle any task you throw its way. Equipped with the powerful Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this Sierra 3500HD AT4 delivers impressive performance and efficiency.
- Crew Cab 3500HD AT4
- Duramax 6.6L V8 Turbodiesel
- Custom features
- Premium Bose 7-speaker sound system
- Spray-on bedliner with GMC logo
- X31 Off-Road Package
- Heated and ventilated front seats
- Heated rear outboard seats
- Wireless charging
- Trailer camera provisions
With its bold, distinctive styling and premium interior appointments, the Sierra 3500HD AT4 exudes confidence and capability. Treat yourself to the ultimate in heavy-duty truck capability and comfort.
** 2 YEARS COMPLIMENTARY MAINTENANCE INCLUDED WITH EVERY NEW AND USED VEHICLE PURCHASED AT SCHONER CHEVROLET **


