Hotting up the 3, Mazda stuck with the stock 2.5-liter engine on the Club Sport 3 Concept but added a limited-slip differential and six-speed manual gearbox, the latter of which was lifted from ...

While the cars to look forward to at this year's SEMA show ... and a number 3 writ large on the bodyside. The Mazda3 sedan gets a similar treatment without the numeration. Mazda clearly isn ...