I recently found an interesting article at GTSPIRIT.COM - Gumball 3000, Bullrun, Cannonball & MORE:

It wasn't a big secret anymore that the Audi RS6 on the Geneva Motorshow, in March 2007, will be presented. But as a gtspirit member asked for an article, we wrote one.

The RS6 is getting the same engine as the S6, disappointing should you think, but the RS version is getting a turbo on the yet phantastic Lamborghini V10, which gives it somewhere between 520 to 550 bhp. That's almost a 100 more than the 'normal' S6.
Thanks to this she will be a very good competitor for the E 63 AMG and the M5.

You can read a lot more about the previous RS6 here.

And as a nice extra, a vid of the 2007 Audi RS4, the little brother.
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>2007 AUDI RS4 - video powered by Metacafe

Found at: GTSPIRIT.COM - Gumball 3000, Bullrun, Cannonball & MORE