This 2021 GMC Sierra 2500HD Denali represents a premium diesel truck built for those who demand capability without compromise, delivering the power and refinement needed for serious work or weekend adventures.

- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission and 4WD
- Denali Ultimate Package with signature styling and premium appointments
- X31 Off-Road Package with hill descent control and 2-speed active transfer case
- Technology Package including navigation system and premium GMC infotainment with Apple CarPlay/Android Auto
- Driver Alert Packages I and II with forward collision alert, lane departure warning, and lane change alert with side blind zone alert
- Multicolor 15" diagonal head-up display for enhanced visibility
- HD surround vision and bed view camera with trailer camera provisions
- Heated and ventilated front bucket seats with 10-way power adjustment and lumbar support
- Heated 2nd row outboard seats for passenger comfort
- Power sunroof for open-air driving
- Bose premium 7-speaker sound system with steering wheel audio controls
- 120-volt bed-mounted and instrument panel power outlets plus wireless charging
- Integrated trailer brake controller with in-vehicle trailering system app
- Inside rearview auto-dimming rear camera mirror with ultrasonic front and rear park assist
- Chrome recovery hooks and 6" rectangular chromed tubular assist steps

The interior combines luxury with functionality, featuring forge perforated leather-appointed front seats with memory settings, a floor-mounted center console with genuine wood inserts, and dual-zone automatic climate control with rear window defogger. The multicolor head-up display provides critical information without requiring you to look away from the road, while the connected services and navigation system keep you informed and on course. Multiple power outlets throughout the cabin—including 120-volt options—ensure your devices and equipment stay charged during work or travel.

Safety technology is woven throughout this truck's design. Automatic emergency braking, forward collision alert, and lane departure warning work together to help prevent accidents, while the rear cross traffic alert and comprehensive camera system provide visibility in challenging situations. The following distance indicator and safety alert seat add additional layers of protection for you and your passengers.

Off-road capability comes standard with the X31 Off-Road Package, which includes hill descent control and a 2-speed active transfer case to handle variable terrain. The integrated trailer brake controller and hitch guidance system with hitch view make towing straightforward and controlled, while the in-vehicle trailering system app provides real-time information about your trailer.

The exterior reflects Denali's premium positioning with LED cargo area lighting, LED smoked amber roof marker lamps, a signature Denali grille, and a spray-on pickup box bed liner with Denali logo. Chrome recovery hooks, polished exhaust tip, and black front and rear molded splash guards complete the refined truck appearance. The 20" multi-dimensional polished aluminum wheels and deep-tinted glass enhance both style and practicality.

This Sierra 2500HD Denali combines worksite durability with showroom presence, delivering the diesel performance and luxury appointments that distinguish a Denali from standard trucks. Contact us to schedule a test drive and experience the refinement and capability this truck offers.