Delivers 22 Highway MPG and 16 City MPG! This GMC Sierra 1500 delivers a Gas V8 5.3L/325 engine powering this Automatic transmission. ENGINE, 5.3L ECOTEC3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring all-new Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency, Windows, power rear, express down, Windows, power front, drivers express up/down.* This GMC Sierra 1500 Features the Following Options *Window, power front, passenger express down, Wheels, 20 x 9 (50.8 cm x 22.9 cm) Black gloss painted aluminum, Wheel, 17 x 8 (43.2 cm x 20.3 cm) full-size, steel spare, USB ports, dual, charge-only (2nd row), USB ports, 2 (first row) located on instrument panel, Transmission, 8-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Standard on 2WD models equipped with (L84) 5.3L EcoTec3 V8 engine. Available on 4WD models equipped with (L84) 5.3L EcoTec3 V8 engine. Included and only available with (L3B) 2.7L Turbo engine.), Transfer case, single speed, electronic Autotrac with push button control (4WD models only), Tires, 275/60R20 all-season, blackwall, Tire, spare 255/80R17SL all-season, blackwall (Included and only available with 20 or 22 wheels and tires.), Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire).