This 2020 GMC Sierra 3500HD Denali represents a premium heavy-duty truck built for those who demand capability and refinement in their work vehicles.- Duramax 6.6L V8 Turbodiesel with 445 hp and 910 lb-ft of torque- 10-Speed Automatic transmission with 4WD- Gooseneck/5th Wheel Prep Package with Bed View Camera- Denali Ultimate Package including Technology Package and Power Sunroof- Premium GMC Infotainment System with Navigation and Apple CarPlay/Android Auto- SiriusXM with 360L satellite radio and HD Radio- Bose Premium 7 Speaker Sound System- Heated and ventilated leather front seats with 10-way power adjustment- Dual-zone automatic climate control with rear auxiliary heating- ProGrade Trailering System with Integrated Trailer Brake Controller and Hitch Guidance- Advanced safety features including Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert- HD Surround Vision with multiple camera views- Multicolor 15" Head-Up Display- All-Weather Floor Liners and Console-Mounted Safe- Spray-on Bed Liner with Denali branding and LT235/80R17E All-Terrain tiresThe truck's exterior showcases the signature Denali grille with high-gloss black mesh, complemented by heated power mirrors, fog lights, and a polished exhaust tip. The black paint finish provides a professional appearance that commands attention on any job site or street.Inside, the Denali Ultimate Package elevates the experience with genuine wood accents on the door panels and console insert. The heated steering wheel, wireless charging pad, and power sunroof add daily convenience, while the safety alert seat and following distance indicator demonstrate GMC's commitment to protecting occupants.This Sierra 3500HD is equipped with the legendary Duramax diesel engine paired with an engine block heater for reliable cold-weather starts. The 2-speed active transfer case and heavy-duty 80-amp battery ensure you're prepared for demanding work conditions. Features like the high idle switch and exhaust brake give you greater control during towing and hauling operations.With its comprehensive trailering package, including the in-vehicle app for real-time monitoring and hitch view camera, this truck simplifies the complexities of handling significant loads. The safety suite works seamlessly with these capabilities, offering peace of mind whether you're towing a fifth wheel or managing day-to-day operations.This 2020 Sierra 3500HD Denali combines rugged capability with luxury appointments, making it an ideal choice for professionals who refuse to compromise on comfort or performance.