First is the 2010 Mazda3 MPS, which is known as the Mazdaspeed3 in the U.S. The more exciting version of the Mazda3 will feature the same 2.3 DISI turbo engine as the current Mazdaspeed3, but its not yet known if it will feature more power.
The second model to be unveiled is the Mazda3 i-stop is powered by a MZR 2.0 DSI (Direct-injection Spark Ignition) engine and features a fuel-saving stop/start system. The setup yields a 12 percent improvement in city fuel economy than the current Euro-spec. Mazda3.