Sierra 3500

Spider

AWD4WD

8-Cylinder Turbo

Diesel

This vehicle will come with a complementary Lifetime Powertrain warranty. No max amount of miles no max amount of years, you are protected. The 2025 GMC Sierra 3500HD SLT 4WD Crew Cab 172 is engineered to deliver uncompromising strength, durability, and refinement for the toughest tasks and longest hauls. Finished in a bold Sterling Metallic exterior, this heavy-duty pickup makes a commanding impression while offering premium features inside and out. At its core is the powerful Duramax 6.6L Turbo-Diesel V8 engine, paired with the legendary Allison 10-speed automatic transmission, providing exceptional torque, smooth shifting, and the confidence to tackle serious towing and heavy payloads with ease. With four-wheel drive and a long 172-inch wheelbase, the Sierra 3500HD is built for stability and performance, whether you're hauling equipment, towing a trailer, or navigating challenging road conditions. Inside, the SLT trim delivers elevated comfort and technology with spacious seating, upscale materials, and intuitive connectivity. The Crew Cab configuration ensures ample room for passengers and gear, while advanced safety and trailering features enhance confidence and convenience on every drive. Rugged, capable, and refined, the 2025 Sierra 3500HD SLT is a professional-grade truck that s ready for whatever the job or the journey demands.

New 2025 GMC Sierra 3500 SLT

New 2025 GMC Sierra 3500 SLT Fort Benton MT 59442

X31 Off-Road and Protection Package

SLT Convenience Package

Sierra HD Pro Safety Plus Package

Gooseneck/5TH Wheel Prep Package

SLT Preferred Package

Finance with Wolfe GMC Fort Benton

Kelley Blue Book℠ Instant Cash Offer

Credit Report

Good drivers save more

Automatic

Wolfe GMC Fort Benton

 for sale near you in Fort Benton, MT. Get more information and car pricing for this vehicle on Autotrader.

New 2025 GMC Sierra 3500 SLT for sale in Fort Benton, MT 59442: Truck Details - 754001329 - Autotrader