This GMC Sierra 3500HD boasts a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, TRAILERING WIRING PROVISIONS, TRAILER BRAKE CONTROLLER, INTEGRATED.* This GMC Sierra 3500HD Features the Following Options *CONVENIENCE PACKAGE , SKID PLATES, REAR AXLE, 3.42 RATIO, POWER OUTLET, INSTRUMENT PANEL, 120-VOLT, HIGH IDLE SWITCH, GVWR, 12,250 LBS. (5557 kg) WITH SINGLE REAR WHEELS, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, Wireless Phone Projection for Apple Carplay and Android Auto, Windows, power rear, express down (Not available on Regular Cab models.), Window, power front, passenger express down.* Visit Us Today *Test drive this must-see, must-drive, must-own beauty today at TRANSWEST BUICK GMC, 7911 E 96th Ave, Henderson, CO 80640.*All prices exclude tax, tags, title. Prices include dealer and handling fee of $595. Contact dealer for complete details.