This would make sense, and is logical.
some of the FIA stuff, on the RC category and more is not logical to me.
What is the RC code used for, do we need it?
As mentioned in another thread, Dylan Turner has been driving an Audi built to AP4 regulations in NZ since 2017. Reportedly, it cost more to build than to import a new R5 car back then! ...
NR4 was last gen of Lancer and Impreza, it was basically upgraded N4 cars.
New R4 Car - Think Tank