The Chevrolet Aveo is GM's smallest, least expensive car. Aside from its price, what's most attractive about the Chevy Aveo is its surprisingly handsome interior, at least on the up-level 2LT. Its 1.6-liter four-cylinder engine is rated at 106 horsepower, which we found adequate. Transmission choices are either a five-speed manual or a four-speed automatic. Aveo is available as a four-door sedan or a versatile five-door hatchback called the Aveo5.The 2009 Aveo gets a new, more efficient engine. The Aveo5 hatchback gets extensive revisions for 2009, with new exterior styling and a revised interior. The Aveo sedan received these updates for 2007. Their basic architecture and mechanical underpinnings date to 2004.Click here to read more