Delivers 23 Highway MPG and 21 City MPG! This GMC Sierra 1500 boasts a Turbocharged Diesel I6 3.0L/ engine powering this Automatic transmission. TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking, SUMMIT WHITE, JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER FRONT SEAT TRIM.* This GMC Sierra 1500 Features the Following Options AT4 PREMIUM PACKAGE includes (PDO) AT4 Preferred Package and (VXW) Off-Road High Clearance Steps , ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (305 hp [227 kW] @ 3750 rpm, 495 lb-ft of torque [671 Nm] @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater.) (STD), 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 (Deleted with (PCP) AT4 CarbonPro Edition.), USB Ports, 2, Charge/Data ports located inside center console, USB Ports, 2 (first row) located on console. Feel Confident About Your Choice *According to Carfax's history report: No Damage Reported, No Accidents Reported, 11 Service Records.