spy photo audi s7

We love the 2012 Audi A7, that's no secret. Still, an Audi that wears the S badge will always be more fun than any A-badged example. Audi is still fine tuning its upcoming S7, and spy photographers managed to capture a helmet-wearing test driver flinging the shapely sedan around the 'Ring.

It appears that the wheelman is making good use of the turbocharged 4.0-liter V8 engine. Rumor has it, that the powerplant in the S7 will be good for 450 horsepower. We definitely look forward to flogging one when an example finally arrives stateside.

Even when the S7 eventually does land in the United States, our impatient automotive journalist brains will be waiting for the rumored RS7. As nice as a 450-horsepower S7 sounds, the very notion that Audi will unleash a 580-horsepower V10-powered RS7 sedan warms the cockles (and the sub-cockles) of our heart. Word on the street says that uber-sedan will hit the stage at the Frankfurt Motor Show in September. We wait for that day to arrive with baited breath.
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