630HP

610HP? The Next Audi RS6 May Leave The M5 in the Rearview Mirror ...
... The RS6 will have 579 DIN HP (the only real mesure). That is a fact. There
were some rumors about an RS6 Plus with 610-630hp. reply ...
http://www.autospies.com/news/610HP-The-Next-Audi-RS6-May-Leave-The-M5-in-the-Rearview-Mirror-19576/