This powerful 2023 GMC Sierra 2500HD AT4 is built to conquer any terrain. Equipped with a robust Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this truck delivers exceptional capability and performance. - SUNROOF, POWER - GOOSENECK / 5TH WHEEL PACKAGE - ENGINE BLOCK HEATER - DRIVER ALERT PACKAGE II - AT4 PREFERRED PACKAGE - DRIVER ALERT PACKAGE I - TIRES, LT275/70R18, MUD-TERRAIN, BLACKWALL - LPO, SPORT STEP, BLACK - LPO, HITCH PACKAGE With its premium Bose audio system, 8-inch GMC infotainment display, wireless charging, and a host of advanced safety features, this Sierra 2500HD AT4 offers uncompromising comfort and technology. The rugged off-road suspension, four-wheel drive, and available gooseneck/fifth-wheel towing package make this truck a true workhorse. This vehicle has been carefully inspected and certified to meet the highest standards. You can drive with confidence knowing it has passed a rigorous multi-point check and is backed by an extensive warranty. Discover the exceptional capability and refined features of this 2023 GMC Sierra 2500HD AT4. Schedule a test drive today and experience the power of this remarkable truck.