2020 GMC Sierra 2500HD AT4

Command attention on and off the road with this stunning 2020 GMC Sierra 2500HD 4WD Crew Cab 159" AT4. Finished in a striking Red Quartz Tintcoat exterior, this heavy-duty pickup perfectly blends premium ruggedness with aggressive, trail-ready styling. Inside, the cabin welcomes you with a sophisticated Jet Black interior highlighted by distinctive Kalahari Accents, offering a bold yet refined environment that sets the AT4 apart from the crowd. Designed for those who demand both premium comfort and serious off-road capability, this truck makes a powerful first impression.

Under the hood, this 2020 GMC Sierra 2500HD is engineered for heavy-duty performance and relentless capability. Powered by the legendary Duramax 6.6L Turbo-Diesel V8 engine—which is B20-diesel compatible—this powerhouse delivers massive torque and horsepower to tackle demanding towing and payload tasks with absolute confidence. Paired with a robust Four Wheel Drive (4WD) system, this Crew Cab configuration is built to conquer harsh terrain, muddy job sites, and steep mountain passes. Whether you are hauling a heavy trailer or navigating challenging off-road trails, the AT4's advanced engineering ensures you have the power and control needed to get the job done.

In addition to its raw power, this heavy-duty truck is packed with premium features and advanced technologies that elevate your driving experience. The interior features a power sunroof that floods the cabin with natural light, alongside the convenience-focused AT4 Preferred Package. Staying connected and aware is effortless thanks to the state-of-the-art Technology Package, while the Driver Alert Package I provides added peace of mind with intelligent safety features designed to help keep you safe on the road. Offering the ultimate combination of heavy-duty utility, modern safety, and refined luxury, this 2020 GMC Sierra 2500HD AT4 is the complete package for truck enthusiasts who refuse to compromise.

All advertised prices exclude government fees and taxes, any finance charges, any dealer document preparation charge, and any emission testing charge. While we try to make sure that all prices posted here are accurate at all times, we cannot be responsible for typographical and other errors that may appear on the site. We make every effort to provide you the most accurate, up-to-the-minute information; however, it is your responsibility to verify with the Dealer that all details listed are accurate. The dealership is not responsible for typographical, pricing, product information, advertising or shipping errors. Advertised prices and available quantities are subject to change without notice. All rates and offers are dependent on bank approval, which varies based on applicant's credit as well as the vehicle.The listed price is valid through the close of business today and expires thereafter. All vehicles are subject to an $85 dealer document preparation fee. Prices and payments exclude government fees and taxes, finance charges, emissions or smog testing fees, license, title and registration fees, state or local taxes, credit investigation fees, optional credit insurance, physical damage or liability insurance, delivery fees, and any other applicable charges.