Only 14.223 Miles! Scores 22 Highway MPG and 17 City MPG! This Chevrolet Silverado 1500 delivers a Gas/Ethanol V6 4.3L/262 engine powering this Automatic transmission. WHEELS. 17 X 8 (43.2 CM X 20.3 CM) BRIGHT MACHINED ALUMINUM (STD). TRANSMISSION. 6-SPEED AUTOMATIC.... via V12 Software