This 2021 GMC Sierra 2500HD Denali in Black represents a capable workhorse built for those who demand performance and sophistication in a heavy-duty truck.- Duramax 6.6L V8 Turbodiesel engine with 445 horsepower and 910 lb-ft torque- 10-Speed Automatic transmission with 4WD- Denali Ultimate Package with Technology Package and Power Sunroof- Gooseneck/5th Wheel Prep Package with hitch platform- Trailer Tire Pressure Monitor Sensors- Power-Retractable Assist Steps with LED perimeter lighting- Premium GMC Infotainment System with Navigation and SiriusXM 360L- Bose Premium 7-Speaker Sound System- Apple CarPlay and Android Auto integration- Heated and Ventilated Front Bucket Seats with 10-Way Power Driver Seat- Multicolor 15 Diagonal Head-Up Display- HD Surround Vision with Bed View Camera and Trailer Camera Provisions- Automatic Emergency Braking with Lane Departure Warning- Ultrasonic Front and Rear Park Assist- Engine Block Heater and 220-Amp AlternatorThe Sierra 2500HD Denali combines capability with comfort through its thoughtfully appointed cabin. The heated and ventilated front seats provide all-season comfort, while the integrated power sunroof adds an open-air dimension to your driving experience. The genuine wood trim accents throughout the interior elevate the aesthetic beyond typical truck interiors.This truck excels at towing and hauling with its integrated trailer brake controller and in-vehicle trailering system app. The gooseneck and 5th wheel prep package positions this vehicle for serious hauling duties, while the trailer tire pressure monitor sensors provide peace of mind on longer journeys. The bed-mounted 120-volt power outlet offers convenient charging capability right where you need it.Technology integration extends throughout this Denali. The available 4G LTE Wi-Fi hotspot keeps you connected, while wireless phone projection and wireless charging provide seamless device compatibility. The head-up display keeps critical information visible without breaking focus from the road.Safety features address both driver awareness and vehicle control. Lane change alert with side blind zone alert helps monitor surrounding traffic, while rear cross traffic alert and automatic emergency braking provide additional protection. The driver alert packages enhance your situational awareness during all driving conditions.The exterior stands out with its Signature Denali Grille, spray-on pickup box bed liner with Denali logo, and LED cargo area lighting. The 20-inch multi-dimensional polished aluminum wheels paired with the Black exterior create a commanding presence on the road. Chrome recovery hooks and a polished exhaust tip complete the refined appearance.This 2021 Sierra 2500HD Denali awaits your inspection. Its combination of diesel power, luxurious appointments, and advanced technology creates a truck that works as hard as it looks refined. We invite you to experience this vehicle firsthand and discover how it can serve your needs.