Used 2025 Gmc Sierra 2500 HD AT4X

If trucks had a final boss level, it would look exactly like this 2025 GMC Sierra 2500HD AT4X AEV Bison. Finished in sharp Summit White with just 16,441 miles, this heavy-duty off-road machine blends serious capability with premium comfort. Under the hood is the legendary Duramax 6.6L V8 Turbo Diesel, paired with a 10-speed automatic transmission, delivering the kind of torque and durability that makes towing, hauling, and climbing steep trails feel like just another Tuesday. The AT4X AEV Bison package takes the Sierras off-road ability to a whole different level. Engineered with help from American Expedition Vehicles (AEV), this truck is built for drivers who believe the road is optional. Rugged protection, aggressive stance, and trail-ready capability mean this truck is just as comfortable crawling through the backcountry as it is pulling up to dinner downtown. Inside, you'll find a refined cabin packed with technology, premium materials, and comfort features that make long drives, workdays, and weekend adventures equally enjoyable. Low miles, Duramax diesel power, heavy-duty capability, and serious off-road engineering make this Sierra 2500HD AT4X AEV Bison a truck that refuses to blend in. Stop by and see it today before someone else decides their adventures need a serious upgrade.