This 2017 GMC Sierra 2500HD Denali delivers the capability and refinement you need for work or weekend adventures, backed by proven diesel performance and premium appointments that set it apart.- Duramax 6.6L Turbo Diesel V8 with Allison 1000 6-Speed Automatic transmission- Power Sunroof with tilt and slide functionality- Off-Road Suspension Package with Rancho twin tube shocks and Hill Descent Control- Heated and ventilated front bucket seats with perforated leather trim- Navigation system with Apple CarPlay and Android Auto integration- Bose 7-speaker premium audio system with SiriusXM satellite radio- Lane Departure Warning and Forward Collision Alert safety systems- Ultrasonic front and rear parking assist- Chrome power-adjustable heated outside mirrors with memory- Remote vehicle starter system and wireless charging- OnStar Guidance with 4G LTE connectivity- Chrome recovery hooks rated for heavy-duty hauling- 20-inch chrome cast aluminum wheels- Rear vision camera and exterior parking camera- Dual-zone automatic climate control with rear window defoggerThe foundation of this truck is its Duramax Plus Package, which combines the legendary 6.6L turbodiesel engine with premium trailering equipment and chrome recovery hooks. This engine delivers the torque and reliability that have made this platform a trusted choice for demanding applications. The Allison 1000 six-speed automatic transmission handles power delivery smoothly, whether you're towing, hauling, or navigating varied terrain.The Off-Road Suspension Package elevates capability with Rancho twin tube shocks and Hill Descent Control, giving you confidence on technical terrain and steep grades. Four-wheel drive ensures traction in challenging conditions, while the electronic shift transfer case provides responsive engagement when needed.Inside, the Denali cabin reflects thoughtful design with heated and ventilated front bucket seats wrapped in perforated leather. The heated leather steering wheel, power-adjustable pedals, and heated door mirrors add comfort during cold weather. Dual-zone climate control maintains individual comfort preferences, while the wireless charging pad and multiple power outlets keep your devices ready.Technology integrates seamlessly through the navigation system and IntelliLink infotainment platform, both supporting Apple CarPlay and Android Auto. The Bose audio system delivers quality sound whether you're listening to SiriusXM satellite radio or your personal collection. OnStar connectivity with 4G LTE keeps you informed and connected on the road.Safety features include Lane Departure Warning, Forward Collision Alert, and Ultrasonic front and rear park assist to help you navigate confidently. The rear vision camera provides clear rearward visibility, essential when maneuvering this capable truck.This Sierra 2500HD Denali represents serious capability paired with genuine comfort and technology. Whether your priorities are towing capacity, work-site dependability, or weekend getaways with family, this truck is ready to deliver. We invite you to experience it firsthand.