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Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
This 2021 GMC Sierra 3500HD Denali represents a fully equipped heavy-duty truck built for those who demand capability and refinement in one vehicle.
- 6.6L V8 Duramax Turbodiesel engine with 445 hp and 910 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- Denali Ultimate Package with Technology Package and power sunroof
- Gooseneck/5th Wheel Prep Package for serious towing applications
- Heavy-Duty Front Spring/Camper Package for enhanced load capacity
- Premium BOSE 7-speaker audio system with SiriusXM and HD Radio
- Wireless Apple CarPlay and Android Auto with 4G LTE Wi-Fi hotspot
- 15-inch diagonal head-up display with multicolor presentation
- Automatic Emergency Braking, Lane Departure Warning, and Following Distance Alert
- Heated and ventilated front seats with cooled front seat capability
- Heated rear seats and heated steering wheel for year-round comfort
- Power sunroof, power running boards, and power lift gate
- Integrated Trailering System with hitch guidance and trailer tire pressure monitoring
- Spray-on bed liner with Denali logo and long box configuration
- Signature Denali styling with high-gloss black mesh grille
This Sierra 3500HD combines the refined interior appointments of the Denali brand with the serious work capability expected from a heavy-duty truck. The Duramax diesel engine delivers impressive torque for towing and hauling, while the advanced trailering packages provide the confidence needed for demanding work applications. Every convenience feature has been thoughtfully included, from the dual power seats with memory settings to the comprehensive camera system that aids visibility during complex maneuvers.
The truck's exterior reflects its premium positioning with polished exhaust tip, chrome recovery hooks, heated power-retractable assist steps with LED lighting, and deep-tinted glass. Inside, genuine wood trim accents, perforated leather seats, and premium materials create an environment that doesn't compromise on comfort during long drives or extended jobsite time.
The technology integration throughout this truck keeps you connected and in control. The in-vehicle trailering app, wireless charging, and comprehensive driver assistance features make modern truck ownership accessible and intuitive. Whether you're managing a fleet, tackling substantial projects, or simply require the dependability only a diesel heavy-duty truck provides, this Sierra 3500HD has been optioned to handle real-world demands without sacrificing daily comfort.
With its combination of proven diesel power, comprehensive safety features, premium appointments, and purposeful towing and hauling packages, this 2021 Sierra 3500HD Denali stands ready for whatever comes next. We invite you to experience this truck firsthand and discover why it represents an exceptional choice in the heavy-duty segment.