2021 GMC Sierra 1500 SLT — Duramax Turbo Diesel, Loaded and Ready Featuring the potent DURAMAX 3.0L Turbo-Diesel I6 paired with a 10-speed electronically controlled automatic transmission, this 2021 GMC Sierra 1500 SLT delivers strong towing capability, confident highway passing and excellent long-haul efficiency. Finished in a rich Brown exterior with leather interior and 61,689 miles, this truck is appointed for comfort, capability and safety. Standout features - Duramax 3.0L Turbo-Diesel I6 engine with 10-speed automatic transmission - GMC MultiPro Tailgate and LPO tri-fold hard tonneau cover for versatile cargo access and secure storage - ProGrade Trailering Package plus Towing/Camper Package for trailering confidence and convenience - Spray-on bed liner and fixed running boards for durability and easy access - Chrome wheel-to-wheel assist steps and aluminum/alloy wheels Premium comfort & technology - SLT Premium Plus, Convenience and Preferred packages for an elevated ownership experience - Premium GMC infotainment system with 8" touchscreen navigation and Bose 7-speaker premium audio - Wireless charging, USB ports, universal home remote and center floor-mounted console - Heated and ventilated front seats; heated second-row outboard seats; power driver’s seat and power windows/locks - LPO all-weather floor liners (1st and 2nd rows) and floor-mounted center console for clean, practical daily use Advanced safety & driver assistance - Driver Alert Packages I & II including Forward Collision Alert, Automatic Emergency Braking and Front Pedestrian Braking - Adaptive Cruise Control with Following Distance Indicator - Lane Keep Assist and Lane Change Alert - Front and rear ultrasonic Park Assist, rear parking sensors and Rear Cross Traffic Alert - Safety Alert Seat and Intellibeam automatic high-beam control Convenience & durability - 220-amp alternator and engine block heater - Heated exterior mirrors and power-adjustable mirrors