Powered by a 1.6L four-cylinder engine, the 2006 Chevrolet Aveo is a very competitively priced, five-passenger compact car capable of 35 mpg on the highway. The Aveo is available as a sedan or in the form of a hatchback. The standard transmission is a five-speed manual while a five-speed automatic is optional. Side-impact airbags have joined the list of standard safety features for 2006.