Audi RS6 Spied

The sedan version of the Audi RS6 has been caught on testing in Germany. The shots suggest that Audi is preparing a little butt-lift for the entire A6 range to fall in line with its new posterior styling direction, but is using the RS6 to showcase it first.The front fascia in unchanged from the avant model but you can see the rear styling design that of the A4. Engine will come from the Avant’s V10 which will give impressive performance figures of 0-100km/h in 4.6 secons.