This 2024 GMC Sierra 2500HD AT4 delivers serious capability with its powerful 6.6L V8 diesel turbocharged engine paired with a 10-speed automatic transmission and four-wheel drive. With 55,269 miles, this truck is ready to handle whatever you demand, whether hauling, towing, or daily driving. The sophisticated gray exterior turns heads while the AT4 trim brings premium refinement to a working-class workhorse. **Key Features:** - 6.6L V8 Diesel Turbocharged with 10-Speed Automatic & 4WD - AT4 Premium Plus Package with enhanced styling and capability - Gooseneck/5th Wheel Prep Package with hitch platform - Power-retractable black assist steps and all-weather floor liners - Engine block heater and 220-amp alternator for reliability - Bose premium 7-speaker audio with SiriusXM and GMC infotainment - Heated and ventilated leather front seats with 10-way power adjustment - Advanced safety: adaptive cruise control, lane departure warning, automatic emergency braking - Off-road suspension with hill descent control and 2-speed active transfer case - Integrated trailer brake controller with hitch guidance and multiple camera provisions This Sierra comes equipped with a comprehensive technology suite including wireless charging, wireless phone projection, and a stunning 15-inch head-up display. The heated steering wheel, power sunroof, and dual-zone automatic climate control ensure comfort in any season. Whether you're negotiating rough terrain or cruising the highway, the advanced suspension and electronic stability control keep you confident behind the wheel. Experience the perfect balance of luxury and capability. Visit us today to take this exceptional truck for a test drive and discover why the 2024 Sierra 2500HD AT4 stands apart.