Sierra 3500HD trim, SUMMIT WHITE exterior and JET BLACK / DARK ASH interior. ONSTAR WITH 4G LTE, Turbo Charged Engine, 4x4. CLICK ME! KEY FEATURES IN…CLUDE 4x4 Electronic Stability Control, HID headlights, 4-Wheel ABS, Vinyl Seats, Locking Rear Differential. OPTION PACKAGES 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 (K40) exhaust brake and (K05) engine block heater.), SIERRA CONVENIENCE PACKAGE includes (DPN) outside heated power-adjustable vertical camper mirrors, (DD8) inside rearview auto-dimming mirror and (AQQ) Remote Keyless Entry, DEFOGGER, REAR-WINDOW ELECTRIC, GLASS, DEEP-TINTED, ONSTAR WITH 4G LTE and available built-in Wi-Fi hotspot offers a fast and reliable Internet connection for up to 7 devices; includes data trial for 3 months or 3GB (whichever comes first), TRANSMISSION, ALLISON 1000 6-SPEED AUTOMATIC electronically controlled with overdrive, electronic engine grade braking and tow/haul mode, MIRRORS, OUTSIDE HEATED POWER-ADJUSTABLE VERTICAL CAMPER UPPER GLASS manual-folding and extending, black. Includes integrated turn signal indicators consisting of 51 square inch flat mirror surface positioned over a 24.5 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated nor is it power adjustable) and addition of Auxiliary cargo lamp for backing up (helps to see trailer when backing up with a trailer) and amber auxiliary clearance lamp Includes (DD8) auto-dimming inside rearview mirror.), AUDIO SYSTEM, 7' DIAGONAL COLOR TOUCH SCREEN WITH INTELLILINK, AM/FM with USB ports, auxiliary jack, Bluetooth streaming audio for music and most phones, Pandora Internet radio and voice-activated technology for radio and phone. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.