This 2024 GMC Sierra 2500HD AT4 delivers premium capability with its 6.6L V8 Diesel engine, 10-speed automatic transmission, and 4WD system. This single-owner, local trade presents a clean Carfax history with just over 20,000 miles"”truly ready for work or play. - Power-retractable black assist steps - Gooseneck/5th wheel prep package with hitch platform - Engine block heater for cold-weather reliability - 220-amp alternator for heavy-load support - AT4 premium plus package with off-road suspension - Bose premium sound system with SiriusXM - Advanced safety features including automatic emergency braking and surround vision The AT4 trim combines rugged capability with refined comfort, featuring heated and ventilated leather seats, a 15-inch head-up display, wireless charging, and comprehensive trailering technology. Gray exterior with jet black and Kalahari accents creates a purposeful presence. Visit our St. Augustine showroom to experience this well-equipped Sierra 2500HD firsthand.