Carfax One-Owner Vehicle. This GMC Sierra 3500HD delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WINTER GRILLE COVER, WHITE FROST TRICOAT, TRANSMISSION, ALLISON 10-SPEED AUTOMATIC.* This GMC Sierra 3500HD Features the Following Options *LPO, HITCH PACKAGE, GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness). , SUNROOF, POWER, SEATS, FRONT BUCKET WITH CENTER CONSOLE (STD), REAR AXLE, 3.42 RATIO, HIGH IDLE SWITCH, EXHAUST BRAKE, 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.), ENGINE BLOCK HEATER, DENALI PREFERRED EQUIPMENT GROUP includes standard equipment.