Pre-Owned 2025 GMC Sierra 2500HD AT4 For Sale Bloomington, IL

This 2025 GMC Sierra 2500HD AT4 Crew Cab 4WD combines rugged off-road capability with premium comfort and heavy-duty performance. Powered by a robust 6.6L Duramax turbo-diesel V8 engine paired with an Allison 10-speed automatic transmission, this diesel pickup is built for demanding towing, hauling, and job-site performance. The AT4 trim adds aggressive styling, four-wheel-drive capability, and a refined interior designed for drivers who want both capability and comfort. Inside, enjoy modern technology, a spacious four-door Crew Cab, and premium features that make this GMC Sierra HD an excellent choice for work or everyday driving. If you're searching for a 2025 GMC Sierra 2500HD AT4 diesel, Duramax 6.6L truck, 4WD Crew Cab pickup, or heavy-duty diesel truck for towing, this Sierra delivers the power, versatility, and premium styling you're looking for.