Audi RS5 - twin-turbo provides enough power to hit 280 km/h. Mazda MX-5 - the sleek little convertible gets a metal roof in the RF version. Plus: BMW 530e iPerformance - the first 5-series as a hybrid<br />More cars: http://www.dw.com/en/program/drive-it/s-9690-9798<br />
