This GMC Sierra 2500HD delivers a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, SLT PREMIUM PACKAGE includes (PCY) SLT Convenience Package, (PDY) SLT Preferred Package, (PED) Sierra HD Pro Safety Plus Package, (BVQ) 6 rectangular, cab length Chrome assist steps, and (CGN) spray-on bedliner. No substitutions to the above content., SLT PREFERRED EQUIPMENT GROUP includes standard equipment.* This GMC Sierra 2500HD Features the Following Options *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). (Includes (CGN) spray-on bedliner. , JET BLACK, PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEATING POSITIONS, 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.), Wireless Phone Projection for Apple Carplay and Android Auto, Wipers, front rain-sensing, Windows, power rear, express down, Windows, power front, drivers express up/down, Window, power front, passenger express up/down, Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.), Wheelhouse liners, rear.* Know You're Making a Reliable Purchase *According to Carfax's history report: No Damage Reported, No Accidents Reported, 11 Service Records.