Auto Gespot caught the upcoming RS5 and RS5 testing in Germany. The RS6 will be unveiled this September at the Frankfurt Motor Show.
The Audi RS6 will be powered by the V10 engine from the Lamborghini Gallardo and will have a maximum output of 580 bhp. This will make from the RS6 a big competition for the M5 Touring and the Mercedes E63 AMG station wagon.
The RS5 will be powered by the same 4.2-litre V8 that powers the RS4. The maximum output will be of 450 hp and a peak torque of 500 lbs-ft.