One-owner 2019 GMC Sierra 2500HD SLT — Black exterior with leather interior — built to work hard and ride in comfort. Powered by the Duramax 6.6L Turbo-Diesel V8 (B20-compatible) paired with the Allison 10-speed automatic transmission, this truck brings serious towing capability and long-haul efficiency. Clean, well-equipped example with 46,857 miles. Key features and highlights: - Duramax 6.6L Turbo-Diesel V8 (B20 diesel compatible) and Allison 10-speed automatic - Pro Grade Trailering Package, Gooseneck / 5th Wheel Prep and Hitch Platform for heavy towing - LPO Hitch Package and Towing/Camper Package, plus Exhaust Brake and 220-amp alternator - GMC MultiPro Tailgate and spray-on bed liner with GMC logo for utility and durability - Bed View Camera, Bed Liner, and Gooseneck/5th Wheel package prep for safe, confident hauling - SLT Convenience Package, Remote Engine Starter, Passive Keyless Entry, and Universal Home Remote - Comfortable leather seating with heated and ventilated front seats and heated second-row outboard seats - Premium GMC infotainment system with 8" color touchscreen, USB ports, and integrated Bed View Camera - Aluminum/alloy wheels, fog lights, smoked amber LED roof marker lamps, front license plate kit - Practical cold-weather items: engine block heater and winter grille cover - Center floor-mounted console, power rear sliding window, USB convenience ports This Sierra 2500HD combines heavy-duty capability with refined creature comforts and smart towing features — ideal for contractors, ranch owners, or anyone who needs serious payload and trailer performance without sacrificing daily comfort. Contact us to schedule a viewing and test drive.