Out of curiosity I took a few cars for a spin in Rivals with all the assists on just to see how quick it is. It was OK with my slower cars but then I took the 900 PI Porsche 911 GT2 RS Forza Edition on Mid-Ohio and it just doesn’t work. It cannot stay on the track mostly because it cannot handle on-power understeer.
It’s unfortunate that not everyone may be able to enjoy being in the driving seat of the fastest cars.
Honestly I think the game is broken. I raced this car about an hour ago and was playing on a CSL DD wheel with basically all assists off minus the racing line on corners and this car was near enough undrivable. My wheel felt extremely heavy, yet the car in game was like it was driving on ice, sliding about everywhere, understeering like crazy. I basically couldn’t put the power down, even in 3rd gear the wheels were spinning. I was driving the Hyundai Veloster N Forza edition and that also had weird characteristics where the rear end constantly wants to slide out/make the car turn as if I’ve applied the handbrake. Maybe it’s just Forza edition cars, either way something is not right