Last month, Mazda showed us the first world its new Mazda3 sedan in 2010 and held at the Auto Show in Los Angeles. or, here we learn that in a press release that the Sport five-door hatchback will make its world debut on 3 December and within the framework of the Auto Show Bologna in Italy. but here we learn that in a press release that the Sport five-door hatchback will make its world debut on 3 December and within the framework of the Auto Show Bologna in Italy. Later this figure and like the sedan, was expected to more radical changes, although the presence of a new grid much more aggressive, brings a new dynamic to the car. We also take this review for regaillardir finish and especially the internal presentation. The dashboard has a new look, becoming broader, less massive and still functional. Major improvements to the new Mazda3 is found under the hood. Everything boils down by the arrival of a new 2.5-liter engine with 167 horsepower, which replaces the 2.3-liter engine, while the engine from the outset, remains faithful to the four cylinders of 2 , 0 liters of 148 horses.