This GMC Sierra 3500HD delivers a Gas V8 6.6L/ engine powering this Automatic transmission. WHEELS, 18 (45.7 CM) PAINTED STEEL, SILVER, 8-SPOKE (STD), TRANSMISSION, 6-SPEED AUTOMATIC, HEAVY-DUTY (STD), REAR AXLE, 3.73 RATIO.* This GMC Sierra 3500HD Features the Following Options *GVWR, 10,750 LBS. (4876 KG) WITH SINGLE REAR WHEELS (STD), ENGINE, 6.6L V8 WITH DIRECT INJECTION AND VARIABLE VALVE TIMING, GASOLINE (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD), Windows, manual (Standard on Regular Cab model. Crew Cab and Double Cab models have power windows standard.), Wheels, 18 (45.7 cm) painted steel, Silver, 8-spoke (Requires single rear wheels.), USB port, located on instrument panel, Transmission, 6-speed automatic, heavy-duty, Tires, LT275/70R18E all-terrain, blackwall (Requires single rear wheels.), Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires with (E63) pickup bed single rear wheel models. Available to order when (ZW9) pickup bed delete and (QF6) LT275/70R18E all-terrain, blackwall tires are ordered with single rear wheel models.), Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire), Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.).* Visit Us Today *Stop by Nimnicht Buick GMC located at 11503 Philips Hwy, Jacksonville, FL 32256 for a quick visit and a great vehicle!