Click either image for high-res galleries of the Renault Megane III

Renault is stepping things up a notch. The French automaker has launched an aggressive campaign to refresh and broaden its lineup, including recent launches of the new Laguna, Twingo and Koleos, to name just a few. But this one will likely prove more important than all the others.

Click above for high-res gallery of the Fiat 500 Abarth Assetto Corse

With the revival of the Abarth tuning division, Fiat is serious about motorsports. They've been racking up victories in the Intercontinental Rally Championship with the Punto, and have even been sponsoring Valentino Rossi's MotoGP Yamaha. And to drive the point home, while the "esseesse" (read: SS) version of the Cinquecento Abarth was the division's new reveal, it was this racing version, called the Assetto Corse, that took center stage.