This 2021 GMC Sierra 3500HD Denali delivers the capability and refinement you need for work or adventure. With a Duramax 6.6L V8 Turbodiesel engine producing 445 horsepower and 910 lb-ft of torque, paired with a 10-speed automatic transmission and 4WD, this truck handles demanding tasks with confidence and control.
- Duramax 6.6L V8 Turbodiesel with 445 hp and 910 lb-ft of torque
- 10-Speed Automatic Transmission with 4WD
- Denali Ultimate Package with power sunroof
- Gooseneck/5th Wheel Prep Package for heavy-duty hauling
- Trailer Tire Pressure Monitor Sensors with in-vehicle app
- ProGrade Trailering System with integrated trailer brake controller
- Premium Bose 7-speaker audio system with SiriusXM 360L
- HD Surround Vision with trailer camera provisions
- Heated and ventilated leather front seats with 10-way power adjustment
- Heated rear seats and power sunroof
- Multicolor 15" head-up display with navigation system
- Lane Departure Warning, Automatic Emergency Braking, and Rear Cross Traffic Alert
- Engine Block Heater for cold-weather readiness
- Spray-on bed liner with Denali logo
- 20" polished aluminum wheels
The exterior white finish is complemented by the Signature Denali grille and premium details that distinguish this truck. The cabin features genuine wood trim, a leather-appointed interior, and comprehensive technology integration including wireless charging, Apple CarPlay, and Android Auto compatibility. Heated and ventilated seating keeps you comfortable throughout the seasons, while the power sunroof adds light and openness to the workspace.
Safety and connectivity are built into every system. This truck includes Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert, and an HD rearview camera. The in-vehicle trailering app provides monitoring and control for your trailer, while GMC Connected Services capabilities keep you informed wherever the road takes you.
This vehicle is a 2021 model certified pre-owned, having undergone detailed inspection to ensure it meets quality standards for reliability and performance. It carries the confidence of a thorough evaluation and comes ready to perform as the capable workhorse you require.
The ProGrade Trailering System and gooseneck prep package demonstrate this truck's ability to handle serious towing applications. With the integrated trailer brake controller and tire pressure monitoring, you maintain complete command of your load. The 220-amp alternator and heavy-duty battery provide the electrical capacity for accessories and extended operation.
This Sierra 3500HD Denali represents a remarkable value for those seeking a diesel truck with genuine luxury appointments and proven capability. Contact us today to schedule your test drive and experience how this truck can serve your needs.