This 2024 GMC Sierra 2500HD AT4 combines serious capability with refined comfort. Equipped with the Duramax 6.6L V8 turbodiesel engine and paired with a 10-speed automatic transmission, this truck delivers the power you need for demanding work or towing. Built with 4WD, low-mileage at just over 20,000 miles, and finished in striking Onyx Black, this Sierra AT4 stands ready for whatever comes next.
- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD
- Dual 220-Amp Primary and 170-Amp Auxiliary Alternators
- Engine Block Heater and Exhaust Brake
- Snow Plow Prep and Camper Package with 2-Speed Active Transfer Case
- AT4 Premium Plus Package with premium interior appointments
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- Wireless Phone Projection and Wireless Charging capability
- Bose Premium 7-Speaker Sound System with SiriusXM
- Advanced safety tech: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert, and 360-degree Surround Vision
- Integrated Trailer Brake Controller and Hitch Guidance with multiple camera views
This truck features heated and ventilated front seats with 10-way power adjustability, heated rear outboard seats, and an array of comfort technologies. The premium interior includes a power sunroof, leather-appointed seating, and dual-zone automatic climate control. You'll appreciate the convenience of push-button start, remote keyless entry, and the Multicolor 15-inch head-up display that keeps critical information at your sight line.
Come experience the capability and refinement this Sierra 2500HD AT4 delivers. We're ready to help you find the truck that works as hard as you do.





