If the 435 horsepower Audi S6 isn’t fast enough for you guys, Audi will be catering to your needs with the upcoming 2008 Audi RS6 with 500+ horsepower. According to InsideLine the Audi RS6 may use the same 5.2 liter V10 engine found in the S6, but a turbocharger will be added to increase horsepower between 50 to 100.

Those specs will put the Audi RS6 in perfect line to compete with the BMW M5 and the Mercedes-Benz E63 AMG.

The 2008 Audi RS6 is expected to make its debut at the Frankfurt Auto Show in September with sales to begin by the end of this year.

Source: InsideLine

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