2009 Audi R8 5.2 FSI Quattro

The 2009 Audi R8 5.2 FSI Quattro is an even higher-performance version of its R8 flagship. A 518-horsepower V10 propels this beast to a top speed of 196 mph. A similar version of this engine will power Audi's new $330,000 R8 LMS racing car that's in development for GT3 events in 2009.