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2021 GMC Sierra 2500HD Denali 4x4 Duramax Diesel Ultimate Package Looking for top-tier power, luxury, and technology in a heavy-duty truck? This 2021 GMC Sierra 2500HD Denali 4x4 with the Duramax 6.6L Turbo Diesel V8 is the full package combining work-ready muscle with first-class comfort and advanced features. Performance & Capability: 6.6L Duramax Turbo Diesel V8 engine industry-trusted power, exceptional towing capacity Allison 10-speed automatic transmission smooth shifts and enhanced fuel efficiency 4WD (Four-Wheel Drive) confident performance in all weather and terrain Factory-installed trailering package built to haul with ease Denali Ultimate Package Highlights: Premium leather-appointed interior heated and ventilated front seats Dual power front seats with memory settings Power sunroof enjoy an open-air experience MultiPro tailgate versatile tailgate with built-in step, load stop, and work surface Power retractable assist steps convenience meets sleek design HD Surround Vision with front/rear cameras 360-degree camera system for parking and towing Technology & Comfort: Built-in Navigation System 8 GMC Infotainment System with Apple CarPlay & Android Auto BOSE Premium Sound System rich audio quality Wireless phone charging Heads-Up Display (HUD) project critical info directly on the windshield Dual-zone automatic climate control Safety & Driver Assistance: Forward Collision Alert Lane Departure Warning Front & Rear Park Assist Blind Spot Monitoring with Rear Cross Traffic Alert Adaptive Cruise Control Additional Features: Chrome Denali grille and exterior accents Spray-in bedliner LED signature lighting Factory 20 polished aluminum wheels Clean title, well-maintained, no accidents
