TRANSMISSION, 10-SPEED AUTOMATIC, REAR AXLE, 3.42 RATIO, LPO, ASSIST STEPS, CHROMED TUBULAR, 6 RECTANGULAR (dealer-installed), GVWR, 12,250 LBS. (5557 KG) WITH SINGLE REAR WHEELS, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), 3 YEARS SIRIUSXM, Wireless phone projection for Apple CarPlay and Android Auto, Wipers, front rain-sensing, Windows, power rear, express down, Window, power front, passenger express up/down. This GMC Sierra 3500HD has a powerful Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission.* Experience a Fully-Loaded GMC Sierra 3500HD SLT *Window, power front, drivers express up/down, Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.), Wheelhouse liners, rear (Not available with dual rear wheel models.), USB Ports, 2, Charge/Data ports located on instrument panel, USB ports, (2) charge-only, rear, Transmission, 10-Speed automatic, Transfer case, two-speed active electronic Autotrac with push button control (Requires 4WD models.), Trailer brake controller, integrated, Tires, LT275/70R18E all-terrain, blackwall (Requires single rear wheels.), Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire), Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door, Theft-deterrent system, unauthorized entry, Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver, Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps, Tailgate, standard, Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light, Tailgate and bed rail protection caps, top, Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue, Steering wheel, wrapped, Steering wheel, heated.* Stop By Today *For a must-own GMC Sierra 3500HD come see us at Thornhill GM Superstore, Rt 119 and Trace Fork Rd, Chapmanville, WV 25508. Just minutes away!