The latest Sport Auto issue contains a comparison of the new RS6 Plus vs. the E55 touring. In summary, the E55 is described as the more comfortable tourer while the Audi is said to be the sportier car.

Some key statistics from the test: RS6 plus (E55T)

0-100: 4.9 (4.9)
0-160: 10.7 (10.4)
0-200: 17.8 (15.6)

100-0 cold: 39.2 (39.0)
100-0 warm: 38.6 (40.7)
200-0 warm: 151m (152.8m)

Hockenheim track: 1.174 (1.185)

Average fuel consumption 19.5l/100km (17.4)

Test weight: 1984kg (2046)