Please consider adding more specific selections for engines. Differences between engine sub-types are very relevant. For instance, the 2004-2007 Mazda 3 (my car) in North America is available with 2.0l, 2.3l, and 2.3l turbo engines, all four-cylinder. The fuel mileage varies significantly between these types, particular regarding the turbo, which often gets the heavy right foot. Thanks. :-)
Zotz 
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