This GMC Sierra 2500HD delivers a Turbocharged Diesel V8 6.6L/403 engine powering this Automatic transmission. X31 OFF-ROAD PACKAGE includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension, Twin-tube Rancho shocks and X31 hard badge, TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, TRAILERING WIRING PROVISIONS, FOR TRAILERING, 5TH WHEEL AND GOOSENECK TRAILER includes additional 7-way wiring harness located at the rear of the pickup bed attached to the rear frame cross member.* This GMC Sierra 2500HD Features the Following Options *TECHNOLOGY PACKAGE includes (UVS) HD Surround Vision, (DRZ) Rear Camera Mirror, (UVN) Bed View Camera and (UV6) Multicolor 15 Diagonal Head-Up Display Includes (UHS) 8 Digital Driver information Center., SLT PREMIUM PLUS PACKAGE includes (PCY) SLT Convenience Package, (PDY) SLT Preferred Package, (PQB) Driver Alert Package I, (PDJ) Driver Alert Package II, (Q7R) 20 machined aluminum wheels with bright silver paint, (BVQ) 6 rectangular, cab length Chrome assist steps and (CGN) spray-on bedliner. No substitutions to the above content. , REAR AXLE, 3.42 RATIO, ONYX BLACK, GVWR, 11,350 LBS. (5148 KG), ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), Windows, power rear, express down, Windows, power front, drivers express up/down, Window, power front, passenger express up/down, Wheels, 18 (45.7 cm) 6-spoke machined aluminum with high gloss Black accents.* Visit Us Today *Test drive this must-see, must-drive, must-own beauty today at Nimnicht Buick GMC, 11503 Philips Hwy, Jacksonville, FL 32256.