Certified 2024 Gmc Sierra 3500 HD AT4

If you’re searching for a serious heavy-duty truck that blends luxury, technology, and true work-ready capability, this 2024 GMC Sierra 3500HD AT4 Crew Cab stands out in a big way. Finished in Onyx Black with a Jet Black interior accented by Kalahari trim, this AT4 delivers a bold presence paired with premium comfort and extreme capability. Under the hood is the legendary 6.6L Duramax Turbo-Diesel V8, paired with a 10-speed automatic transmission and 4WD, delivering outstanding towing power, confident performance, and long-haul reliability. Whether you’re hauling equipment, towing a large trailer, or heading off the pavement, this Sierra 3500HD AT4 is engineered to handle it all. Inside, the AT4 Premium Plus Package elevates the experience with heated and ventilated front seats, heated rear seats, power-adjustable front seats with memory, head-up display, and a premium sound system. The cabin feels rugged yet refined, making long drives and hard work equally comfortable. Technology and safety are front and center with adaptive cruise control, lane departure warning, forward collision alert, blind spot monitoring, rear cross-traffic alert, HD surround-view camera system, and GMC’s ProGrade Trailering System, giving you confidence whether towing or daily driving.