2021 GMC Sierra 2500HD

Meet the 2021 GMC Sierra 2500HD AT4, a diesel-powered heavy-duty truck built to handle demanding work and deliver premium capability on every route you take.

- Duramax 6.6L V8 Turbodiesel engine with 445 horsepower and 910 lb-ft of torque
- 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case
- Power sunroof with sunroof opening area
- Gooseneck/5th Wheel Prep Package with bed view camera and two trailer camera provisions
- HD Surround Vision with rear camera mirror
- Multicolor 15'' Diagonal Head-Up Display
- Bose Premium Audio System with SiriusXM 360L
- Driver Alert Package II with automatic emergency braking, forward collision alert, and lane departure warning
- 20'' Machined Aluminum Wheels with high-gloss black accents
- Heated and ventilated front bucket seats with 10-way power adjustment and lumbar support
- Premium GMC Infotainment System with 8'' touchscreen and navigation
- Wireless charging and Apple CarPlay/Android Auto compatibility
- Integrated trailer brake controller and hitch guidance system

This Sierra 2500HD stands ready for serious work with its time-tested Duramax diesel platform. The turbocharged engine delivers the torque and horsepower needed for towing and hauling, while the 10-speed automatic handles load management efficiently. The truck is equipped with an engine block heater and 220-amp alternator designed to support heavy-duty demands across all seasons.

The AT4 Preferred Package elevates your driving experience with comprehensive technology integration. The head-up display projects critical information directly into your line of sight, keeping your focus on the road. The rear camera mirror and HD surround vision system provide multiple perspectives when maneuvering in tight spaces or backing up to a trailer. The integrated trailer brake controller works seamlessly with the truck's hitch guidance system, simplifying towing operations and giving you confidence in complex hitching scenarios.

Safety features are built into every system on this truck. Automatic emergency braking, forward collision alert, lane departure warning, and lane change alert with side blind zone detection work together to help prevent accidents. Park assist on all four corners and rear cross traffic alert provide additional confidence during parking maneuvers. The safety alert seat gives you physical feedback when potential hazards are detected.

Comfort on long hauls matters, and this Sierra delivers with heated and ventilated front bucket seats that adjust ten ways with lumbar support. The heated steering wheel keeps your hands comfortable during winter drives, while the power sliding rear window with defogger improves cargo area ventilation and rear visibility. The console organizer tray keeps your essentials within reach, and wireless charging keeps your devices powered throughout the day.

The exterior reflects AT4 capability with the sport step, spray-on bed liner bearing the AT4 logo, and 20-inch machined aluminum wheels finished with high-gloss black accents. The Cayenne Red Tintcoat exterior presents a commanding presence on the road, while the painted black surround grille and LED roof marker lamps reinforce the truck's purposeful design.

For serious truck owners who demand reliability and capability in one complete package, this 2021 Sierra 2500HD AT4 delivers proven diesel performance with modern convenience and safety technology. Visit us today to experience this truck firsthand.