Maybe R3 would be better.
Chile is trying it, a bit as you want (promote 2WD but allow 4WD). It seems rally remains popular there, and manufacturers are interested. It's difficult for them, but Renault, Citroën and Honda bought cars and make them come to Chile. They can easily be tunned to be more aggresiv.
http://www.rallymobil.cl/
Is there any certainity that Oliver will get a seat in 2026? Like where? Katsuta is Japanese, Evans and Rovanpera probably won't move and Ogier will probably still do some rallies, we don't know?...
Oliver Solberg