Is the RS4 being replaced by the RS5 Avant?

Yes, under Audi's new naming, the ICE RS4's successor is officially named the RS5 Avant. For buyers considering the Audi RS 4, that matters because it affects how easy the car is to live with, whether for commuting, family use, long-distance driving or ownership costs. The useful way to read this is not as an isolated specification, but as a clue to how the car will feel in real daily use.