2009 Porsche Cayenne S Transsyberia: Rally-Inspired VersionIn celebration of the Cayenne S’ success at the ‘Transsyberia Rally’ that runs 7,200 km (4,460 miles) from Moscow, Russia all the way to the Mongolian Capital of Ulan Bator, Porsche decided to develop a limited edition version of its SUV that will be unveiled at the Paris Motor Show. Like the slightly modified Cayenne S vehicles that took