This GMC Sierra 2500HD delivers a Gas V8 6.6L/ engine powering this Automatic transmission. WHEELS, 17 (43.2 CM) PAINTED STEEL, SILVER, UPFITTER SWITCH KIT, (5), TRANSMISSION, ALLISON 10-SPEED AUTOMATIC.*This GMC Sierra 2500HD Comes Equipped with These Options *SNOW PLOW PREP/CAMPER PACKAGE, CONVENIENCE PACKAGE , TRAILER BRAKE CONTROLLER, INTEGRATED, TIRES, LT265/70R17E ALL-TERRAIN, BLACKWALL, TIRE, SPARE LT265/70R17E ALL-TERRAIN, BLACKWALL, SUMMIT WHITE, STEERING COLUMN, TILT-WHEEL, MANUAL, SKID PLATES, SHIP THRU, PRODUCED IN FLINT ASSEMBLY AND SHIPPED TO KNAPHEIDE TRUCK EQUIPMENT IN FLINT, MI. RETURNED TO FLINT ASSEMBLY FOR SHIPPING TO FINAL DESTINATION., SEATS, FRONT 40/20/40 SPLIT-BENCH.