Scores 20 Highway MPG and 15 City MPG! This GMC Sierra 1500 boasts a Gas V8 6.2L engine powering this Automatic transmission. TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD), REAR AXLE, 3.23 RATIO, ONYX BLACK.* This GMC Sierra 1500 Features the Following Options *GVWR, 7100 LBS. (3221 KG) (STD), ENGINE, 6.2L ECOTEC3 V8 (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 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, DENALI CARBONPRO EDITION includes (SGM) 22 high gloss Black wheels, LPO, (PDV) MultiPro Audio System by Kicker and CarbonPro Composite Bed., Wireless Charging, Windows, power rear, express down, Windows, power front, drivers express up/down, Window, power, rear sliding with rear defogger, Window, power front, passenger express up/down, Wheels, 20 x 9 (50.8 cm x 22.9 cm) multi-dimensional polished aluminum, Wheelhouse liners, rear.* Stop By Today *Treat yourself- stop by Nimnicht Buick GMC located at 11503 Philips Hwy, Jacksonville, FL 32256 to make this car yours today!