2025 GMC Sierra 2500

X31 OFF-ROAD AND PROTECTION PACKAGE includes (X31) Off-Road suspension with Twin-tube Rancho shocks, (JHD) Hill Descent Control and (NZZ) skid plates (transfer case and oil pan), (CGN) spray-on bedliner, (RIA) All-weather floor liners, LPO and X31 badge Includes (Q7J) 20' Bright face wheels with dark painted pockets and (QF9) LT275/65R20 all-terrain, blackwall tires.), TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, TEXAS 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, (CGN) spray-on bedliner and Texas Edition badging. No substitutions to the above content., REAR AXLE, 3.42 RATIO, ONYX BLACK, GVWR, 11,350 LBS. (5148 KG), 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., 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. This GMC Sierra 2500HD has a strong Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. Experience a Fully-Loaded GMC Sierra 2500HD SLT Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.), Wheels, 18' (45.7 cm) machined aluminum wheel with Dark Grey metallic accents, Wheelhouse liners, rear, USB Ports, 2, Charge/Data ports located on instrument panel, USB ports, (2) charge-only, rear, Transmission, Allison 10-Speed automatic, Transfer case, two-speed active, electronic Autotrac with push button control (Requires 4WD models.), Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering, Trailer brake controller, integrated, Tires, LT275/70R18E all-terrain, blackwall, Tire, spare LT275/70R18 all-terrain, blackwall, Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire), Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door, Theft-deterrent system, unauthorized entry, Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver, Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps, Tailgate, GMC MultiPro Tailgate with six functional load/access features NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual