78,821 miles
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Discover exceptional craftsmanship, capability, and luxury in this **2021 GMC Sierra 2500HD Denali Black Diamond Edition**. With only **78,820 miles** and **one previous owner**, this **4WD powerhouse** embodies strength, refinement, and premium technology—ready to take on demanding work or weekend adventures in equal measure. Under the hood lies the legendary **6.6L Duramax Turbo-Diesel V8 engine**, B20-diesel compatible and paired with the **Allison 10-speed automatic transmission** for unmatched towing confidence and superior durability. The combination of the **Pro Grade Trailering Package**, **Gooseneck/5th Wheel Prep Package**, **Trailer Tire Pressure Monitor Sensors**, and **Exhaust Brake** ensures this truck is engineered to handle heavy hauls with ease. The rugged **X31 Off-Road Package** brings added capability for challenging terrain, featuring off-road tuned suspension and skid plates. For additional convenience and protection in colder climates, this Denali is equipped with an **engine block heater**, **high idle switch**, **winter grille cover**, and a robust **220-amp alternator**—built to perform no matter the conditions. Commanding attention in **Black exterior** paint, this Denali showcases bold styling with **Aluminum/Alloy Wheels**, **Power-Retractable Assist Steps**, and the versatile **GMC MultiPro Tailgate** enhanced by the **Kicker MultiPro Audio System**. Sophisticated presence meets modern functionality, setting a new bar for heavy-duty luxury. Inside, the **leather-trimmed cabin** wraps you in refinement and technology. Premium conveniences include a **Power Driver’s Seat**, **Power Sunroof**, and **Universal Garage Door Opener**. The **Premium GMC Infotainment System** boasts **Navigation** on a large **8-inch color touchscreen** with intuitive controls and smartphone integration. Advanced driver assistance technologies keep you secure with the **Driver Alert 1** and **Driver Alert 2 Packages**, featuring safety enhancements like rear parking sensors and intelligent alerts to su
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78,821 miles
