Quote Originally Posted by Eli View Post
https://dirtfish.com/rally/why-the-f...ers-is-enough/

FIA as in FIA rally director Andrew Wheatley thinks 4 is the sweet spot, thing is, for now we aren't seeing any interest from any other manufacturers to join the fray.
I agree 4 or even 3,5 is fine. We have seen it in 2017-2019.

Right now we have something like 2,5.