Scores 20 Highway MPG and 16 City MPG! This GMC Sierra 1500 delivers a Gas V8 5.3L/325 engine powering this Automatic transmission. TRANSMISSION, 10-SPEED AUTOMATIC, (COLUMN SHIFTER) ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking, SUMMIT WHITE, SLE PREFERRED EQUIPMENT GROUP includes standard equipment.* This GMC Sierra 1500 Features the Following Options *JET BLACK, CLOTH SEAT TRIM, ENGINE, 5.3L ECOTEC3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring Dynamic Fuel Management (Includes (KW7) 170-amp alternator and (MHT) 10-speed automatic transmission.), Windows, power rear, express down, Windows, power front, drivers express up/down, Window, power front, passenger express down, Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.), USB Ports, 2, Charge/Data ports located on instrument panel, Transmission, 8-speed automatic, (Column shifter) electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Standard and only available with (L3B) 2.7L Turbo High-Output engine.), Transfer case, single speed, electronic Autotrac with push button control (4WD models only), Tire Pressure Monitor System, auto learn includes Tire Fill Alert (does not apply to spare tire).