This 2008 Audi RS4 cabriolet is one of 300 examples imported to the US for the model year, all of which were powered by a 4.2-liter FSI V8 linked with a six-speed manual transaxle and an asymmetrical dynamic Quattro all-wheel-drive system. This example is finished in Mugello Blue Pearl Effect over silver Silk Nappa leather, and it is equipped with…