This 2021 GMC Sierra 2500HD AT4 pairs serious capability with premium comfort and technology. Finished in white with a Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this 4WD truck delivers the towing power and durability you need for work or adventure. The AT4 trim combines rugged confidence with refined features designed for those who demand both strength and sophistication.
Key Features:
- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic
- Power-Retractable Black Assist Steps
- Gooseneck/5th Wheel Package for superior hauling capability
- Engine Block Heater for reliable cold-weather starts
- 220-Amp Alternator for sustained electrical demand
- AT4 Premium Plus Package with enhanced styling and capability
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Heated & Ventilated Front Bucket Seats with Leather Trim
- Multicolor Head-Up Display and Premium GMC Infotainment System
- Wireless Charging and Apple CarPlay/Android Auto compatibility
This Sierra 2500HD presents well with quality features throughout. The truck is equipped with comprehensive safety technology including Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert, and a complete airbag system. Advanced trailering features like Integrated Trailer Brake Controller and Hitch Guidance make towing intuitive and confident.
Built for serious work and serious comfort, this AT4 is ready for whatever you're planning. Schedule your test drive today and experience the capability this premium heavy-duty truck delivers.
