G-Power BMW M5 Hurricane RS: Fastest Production Sedan in the WorldThe new G-Power prepped BMW M5 Hurricane RS has obtained the bragging rights for the fastest street-legal sedan in the world after it broke the long-standing record of the BRABUS Mercedes-Benz CLS Rocket. In November 2008 the 750 HP strong G-Power M5 Hurricane RS achieved a new top speed of 228,4 mph (367,4 km/h) at the ATP