The 2024 GMC Sierra 2500HD AT4 Diesel available at Stockton Auto Mall is a heavy-duty truck built to deliver exceptional power, off-road capability, and premium comfort. Designed for drivers who need serious performance without sacrificing refinement, the AT4 trim blends rugged styling with advanced technology, making it perfect for both demanding job sites and everyday driving. Under the hood, it’s equipped with the proven 6.6L Duramax turbo-diesel V8 engine, producing an impressive 470 horsepower and 975 lb-ft of torque, paired with a smooth and durable 10-speed Allison automatic transmission for outstanding performance.

Built for capability, this Sierra 2500HD offers up to 20,000 pounds of towing capacity and over 3,000 pounds of payload, making it ideal for hauling trailers, heavy equipment, or recreational gear with confidence. The AT4 trim is also engineered for off-road performance, featuring a factory off-road suspension with Rancho shocks, skid plates, hill descent control, and advanced 4WD systems to handle rough terrain with ease.

Inside, the cabin is both rugged and refined, offering leather-appointed seating, heated and ventilated front seats, and a large 13.4-inch touchscreen infotainment system with wireless smartphone integration and premium audio. The spacious interior comfortably seats up to five passengers while maintaining a durable, work-ready design.

This truck comes with a clean title and a clean CARFAX report, giving you peace of mind and confidence in its history. If you’re looking for a diesel truck that combines heavy-duty strength, off-road capability, and modern comfort, this 2024 GMC Sierra 2500HD AT4 is ready to get the job done.