Discover the unparalleled power and capability of the 2025 GMC Sierra 2500HD AT4X. This exceptional heavy-duty pickup is engineered to conquer any challenge, whether you're tackling tough job sites, navigating rugged terrain, or towing heavy loads with ease. Clean Carfax Gooseneck/5th Wheel Prep Package 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) Alternator, 220 AMP Engine Block HeaterBeneath the bold, commanding exterior lies a heart of pure performance. The Sierra 2500HD AT4X is equipped with the renowned Duramax 6.6L V8 Turbodiesel engine, delivering an impressive 470 horsepower and an astounding 975 lb-ft of torque. Paired with a smooth-shifting 10-speed automatic transmission and a robust 4WD system, this truck is ready to tackle any challenge with unwavering capability.The AT4X package takes the Sierra's off-road prowess to new heights, with an advanced off-road suspension, skid plates, and a 2-speed transfer case to conquer even the most demanding terrain. Whether you're tackling steep inclines, navigating through deep mud, or traversing rocky trails, the Sierra 2500HD AT4X is built to excel.Stepping inside, you'll be surrounded by a wealth of premium features and advanced technology. The spacious cabin boasts luxurious leather seating, heated and ventilated front seats, and a premium Bose audio system to elevate your driving experience. The intuitive infotainment system with Apple CarPlay and Android Auto integration keeps you connected and in control.This Sierra 2500HD AT4X is also backed by a comprehensive suite of safety features, including Forward Collision Alert, Automatic Emergency Braking, and a Surround Vision Camera System, giving you the confidence to tackle any task or adventure.Certified pre-owned and backed by a comprehensive warranty, this 2025 GMC Sierra 2500HD AT4X is the ultimate heavy-duty pickup that combines uncompromising capability, premium comfort, and advanced technology. Experience the power and versatility that only the Sierra 2500HD AT4X can deliver.Prices may change at any time and are subject to availability and prior sale. Taxes, title, license fees, and a $180 documentation fee are not included. Pricing reflects all applicable rebates and incentives assigned to the dealer. Example payments are estimates; actual terms vary based on credit approval. APR and payment estimates apply to qualified buyers, not all buyers qualify for advertised rates. Factory cash incentives may not be combined with promotional APR. Fuel economy ratings and driving range figures are based on EPA estimates for new vehicles, and actual mileage and range may vary. Some in-stock vehicles may include a $1,295 Clear Guard Protection package By submitting your phone number online, you consent to occasional SMS or voice calls about our products and promotions; standard messaging rates may apply. Consult dealer for offer eligibility and other details. Factory MSRP is not the final advertised/asking price of the vehicle. Fuel economy figures are EPA estimates.