2019 GMC Sierra 2500HD SLT — Black exterior, 69,775 miles, 4WD Powerful, capable and loaded with premium features, this 2019 GMC Sierra 2500HD SLT is ready for work and weekend adventures. Built around the Duramax 6.6L Turbo-Diesel V8 (B20-compatible) and paired with the Allison 1000 6-speed automatic transmission, it delivers heavy-duty towing capability and durable performance you can count on. Key highlights - Engine/Drivetrain: Duramax 6.6L Turbo-Diesel V8 (B20 diesel compatible) with Allison 1000 6-speed automatic; 4WD. - Towing/prep: Gooseneck / 5th wheel prep, chrome towing mirrors with memory and power-folding/manual extending, exhaust brake, LPO hitch package. - Exterior protection & convenience: Spray-on bed liner, 1-piece cover for grille and bumper openings, frame-mounted underbody shields, chromed tubular assist steps, fixed running boards, front license plate kit. - Safety & driver aids: Front and rear ultrasonic park assist, rear parking sensors, hill descent control. - Comfort & interior: Heated and ventilated perforated leather front buckets, power driver and passenger seats, cooled front seats, automatic climate control, floor-mounted center console. - Technology & audio: 8" color touchscreen navigation with GMC infotainment (AM/FM/SiriusXM, HD Radio), Bose premium 6-speaker sound, wireless charging, Universal Home Remote. - Options & packages: Duramax Plus Package, Off-Road Suspension Package, Bed liner (spray-on), Engine block heater, LPO assist steps, front license plate kit. This Sierra blends heavy-duty capability with premium comfort — leather seating, heated/cooled front seats, Bose audio and built-in navigation make long days feel more civilized, while the Duramax diesel and Allison transmission ensure the strength you need for towing and hauling. Practical additions like spray-in bed liner, gooseneck/5th-wheel prep, and rugged underbody shields protect your investment and simplify worksite tasks. Condition & mileage - Used, 69,775 mile