Every Chevrolet Aveo features a 1.6-liter four-cylinder engine, which offers 104 pound-feet of torque and 108 horsepower. All the standard models offer a five-speed manual transmission, but the 1LT and 2LT variants offer a four-speed automatic transmission. The manual-equipped vehicles can achieve 27 mpg when cruising in the city and 35 mpg on the highway. They achieve 30 mpg for combined city and highway cruising. The Chevrolet Aveo with automatic transmission offers 25/34/28 mpg.