This GMC Sierra 2500HD boasts a Gas V8 6.6L/ engine powering this Automatic transmission. ENGINE, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp 299 kW @ 5200 rpm, 464 lb-ft of torque 629 N-m @ 4000 rpm) (STD), Wireless phone projection for Apple CarPlay and Android Auto, Windows, power front, drivers express up/down.* This GMC Sierra 2500HD Features the Following Options *Window, power front, passenger express down, Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.), Wheels, 17 (43.2 cm) painted steel, Silver, USB Ports, 2, Charge/Data ports located on instrument panel, Transmission, 10-Speed automatic, Transfer case, two-speed, electronic shift with push button controls (Requires 4WD models.), Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available on (ZW9) pickup bed delete.), Trailer brake controller, integrated, Tires, LT245/75R17E all-season, blackwall, Tire, spare LT245/75R17E all-season, blackwall (Included and only available with (QHQ) LT245/75R17E all-season, blackwall tires with (E63) pickup bed models. Available to order when (ZW9) pickup bed delete and (QHQ) LT245/75R17E all-season, blackwall tires are ordered.).