Doug DeMuro got up close and personal with the 'coolest Cayenne' ever, the 2010 Porsche Cayenne S Transsyberia.

And then there was the Transsyberia ... 18-inch wheels with knobbly tires makes it look meaner than Tyson. It's desirable, and the market is catching up to it. Porsche's first-gen Cayenne is ...