Boasts 26 Highway MPG and 22 City MPG! This GMC Sierra 1500 delivers a Turbocharged Diesel I6 3.0L/183 engine powering this Automatic transmission. TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking (STD), SEATS, FRONT BUCKET with center console (STD), REAR AXLE, 3.23 RATIO.*This GMC Sierra 1500 Comes Equipped with These Options *ONYX BLACK, JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER FRONT SEAT TRIM, GVWR, 7100 LBS. (3221 KG) (STD), ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (277 hp [206.6 kW] @ 3750 rpm, 460 lb-ft of torque [623.7 N-m] @ 1500 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater.) (STD), ENGINE BLOCK HEATER, AUDIO SYSTEM, 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN, INCLUDES COLOR TOUCH-SCREEN, MULTI-TOUCH DISPLAY, AM/FM STEREO Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (STD), AT4 PREFERRED EQUIPMENT GROUP Includes Standard Equipment, Wireless charging, Wipers, front rain-sensing, Windows, power rear, express down.* Feel Confident About Your Choice *Carfax reports: 11 Service Records.