3.0L DURAMAX TURBO-DIESEL I6 SLT CREW CAB 4WD 10-SPEED AUTOMATIC TRANSMISSION X31 OFF-ROAD PACKAGE SLT PREMIUM PACKAGE LEATHER-APPOINTED INTERIOR HEATED FRONT SEATS HEATED STEERING WHEEL GMC INFOTAINMENT SYSTEM WITH 8 TOUCHSCREEN APPLE CARPLAY & ANDROID AUTO BOSE PREMIUM AUDIO DUAL-ZONE AUTOMATIC CLIMATE CONTROL REMOTE START SILVER METALLIC, Efficient Duramax Diesel Power One-Owner Illinois Truck Premium SLT Comfort & Capability. The 2020 GMC Sierra 1500 SLT Crew Cab 4WD delivers premium refinement, outstanding capability, and exceptional diesel efficiency in one of GMC's most impressive full-size pickups. Powered by the highly sought-after 3.0L Duramax Turbo-Diesel inline-six engine paired with a smooth 10-speed automatic transmission, this Sierra delivers outstanding torque, impressive towing capability, and remarkable fuel economy while providing a quiet, refined driving experience. Finished in elegant Silver Metallic with a Jet Black leather-appointed interior, this Sierra features bold GMC styling with chrome exterior accents, LED signature lighting, LED fog lamps, chrome bumpers, power-folding heated mirrors, EZ Lift & Lower tailgate, polished aluminum wheels, and the rugged X31 Off-Road Package that gives it the confidence to tackle challenging terrain while maintaining a premium appearance. Inside, the spacious Crew Cab offers premium comfort with leather-appointed seating, heated front bucket seats, heated leather-wrapped steering wheel, power-adjustable driver and passenger seats with memory, dual-zone automatic climate control, remote start, power sliding rear window, wireless charging, multiple USB ports, and generous interior space for both passengers and cargo. Technology includes GMC's Infotainment System with an 8-inch touchscreen, Apple CarPlay, Android Auto, Bluetooth hands-free connectivity, Bose premium audio system, SiriusXM capability, HD Rear Vision Camera, wireless phone projection, available Wi-Fi hotspot capability, steering wheel-mounted controls, and advanced connectivity features that make every drive more enjoyable. Built to perform, this Sierra is equipped with the X31 Off-Road Package, Autotrac two-speed transfer case, Hill Descent Control, off-road suspension, skid plates, locking rear differential, integrated trailer brake controller, trailer sway control, StabiliTrak with Electronic Stability Control, and a durable high-strength steel frame that's ready for towing, hauling, or weekend adventures. This Sierra has only 33,394 miles and comes with a CARFAX 1-Owner history.