Discover the ultimate heavy-duty truck with the 2021 GMC Sierra 3500HD AT4. Packed with premium features and uncompromising capability, this powerful pickup is ready to take on any challenge. Highlights of this exceptional vehicle include: "¢ Duramax 6.6L V8 Turbodiesel engine with 445 hp and an impressive 910 lb-ft of torque "¢ AT4 Premium Plus Package with advanced technology, safety, and convenience features "¢ Gooseneck/5th Wheel Package for seamless towing "¢ Dual 220-amp primary and 170-amp auxiliary alternators for reliable power "¢ Spray-on bedliner with AT4 logo for durable cargo hauling The Sierra 3500HD AT4 is built to conquer the toughest terrain. Its off-road-tuned suspension, high-clearance steps, and 20-inch machined aluminum wheels with high-gloss black accents ensure you can tackle any job with confidence. Inside, the premium leather-appointed seats with heating and ventilation keep you comfortable, while the Bose premium audio system and wireless charging provide modern conveniences. Safety is a top priority, with features like lane departure warning, forward collision alert, and automatic emergency braking working to protect you and your passengers. The head-up display, surround vision camera, and trailering technology make towing a breeze. This exceptional pre-owned Sierra 3500HD AT4 has been meticulously inspected and certified to meet the highest standards. With low mileage and a comprehensive warranty, it's the perfect choice for discerning buyers who demand the best. Available while supplies last! Great pricing on quality pre-owned with premium features like remote start, climate control, and more. Enjoy no-haggle pricing"”the price you see is the price you pay at Clement Ford. We pay top dollar for trade-ins; free appraisals today! Price excludes tax, title, tags & admin fee. Confirm all info, pricing, features & availability. Dealer not responsible for errors. We strive for accuracy but recommend contacting us to verify details. See dealer website for full pricing and vehicle information.