The MAZDA3 is a popular compact car for drivers who are looking for an exciting ride in an economical package. The Mazda MAZDA3 is redesigned for 2010 and is available as a sedan or hatchback. The base engine for the 2010 MAZDA3 is a 2.0 liter 148 horsepower 4-cylinder. For more power, an optional 2.5 liter 167 horsepower 4-cylinder engine is also available. Fuel economy for the 2010 MAZDA3 ranges from 21 MPG city to 33 MPG highway.