One big difference between the RS 7 and a hypothetical RS 6 saloon is that a four-door version of the RS 6 would be cheaper than the estate, but the RS7 is more expensive than the Avant.

See comprehensive specs details for the Audi RS7.

4.0 TFSI QUATTRO MHEV 4.0L, 8 Speed Automatic Tiptronic 1434 x 1950 x 5009 4.0 TFSI QUATTRO MHEV 4.0L, 8 Speed Automatic Tiptronic 1434 x 1950 x 5009 ...