Scores 21 Highway MPG and 18 City MPG! This Chevrolet Silverado 1500 delivers a Turbocharged Gas I4 2.7L/166 engine powering this Automatic transmission. WHEELS, 20 X 9 (50.8 CM X 22.9 CM) BRIGHT SILVER PAINTED ALUMINUM (STD), WHEELHOUSE LINERS, REAR, TRANSMISSION, 8-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD).* This Chevrolet Silverado 1500 Features the Following Options *TIRES, 275/60R20 ALL-SEASON, BLACKWALL (STD), STERLING GRAY METALLIC, SEATS, FRONT 40/20/40 SPLIT-BENCH with covered armrest storage and under-seat storage (lockable) (STD), REAR AXLE, 3.42 RATIO, LPO, POLISHED EXHAUST TIP (dealer-installed), LPO, ALL-WEATHER FLOOR LINERS 1st and 2nd rows on Crew Cab and Double Cab, (includes Chevrolet Bowtie logo),, JET BLACK, CLOTH SEAT TRIM, ENGINE, TURBOMAX (310 hp [231 kW] @ 5600 rpm, 430 lb-ft of torque [583 Nm] @ 3000 rpm) (STD), CUSTOM PREFERRED EQUIPMENT GROUP includes standard equipment, AUTO-LOCKING REAR DIFFERENTIAL.