Inferior to its predecessor WRC4.
i see aspects that don't compare positively to WRC4. Physics are far too basic to be acceptable in a rally game.
The interaction between the car, the environment and the map geometry is very arcade-like, vehicles feel light, handling is smooth with a lot of grip.

However, my main issue and why i wouldn't recommend this in good conscience, is AI difficulty. .
Settings don't affect the AI noticeably. Even on the highest difficulty settings, it doesn't feel challenging.
It sincerely feels like there is no actual simulated AI. Instead its calculated through a time table and then adjusted to the players results.
Every race ends the same way, AI finishing between 0-1s behind the player
And Increasing difficulty, likely just shortens that interval, slightly

I've tested the highest difficulty, and it was mostly as predicted.
90% of the time i will be 1st. With the exception that on an occasion, AI will be 30 seconds ahead by the end of an entire event.
The irony being, there is nothing worth working for attaining in this game, even when AI has you beat, the distance is unreachable that you might as well not even try.

Though it does makes the experience a little less predictable. The problem with hardest difficulty is that it removed features that are part of the game, such as the rewind feature,