open wheelers that are not relying on aerodynamical grip yes. Like those Skip Barbers without rear wings. formula mazdas, formula bmws simply have to much aerodynamical grip to be really challenging. Then I rather take SUVs lol.
But I mean if you would race nordschliefe in an ariel Atom or a Cayenne I surely know what I would pick 100 times out of 100.
I'm gonna have to say I disagree
Even with a lot of aerodynamics the open wheelers are hard to drive at their limit, its just their limit is much higher. If you play GTR evo or Race 07 or LFS and race with a F3000 or (in LFS) an FV8 or even FOX, you might initially "feel" the car is easy to drive, but as soon as you get online you realise you have to push so much harder to be competitive.
You have to brake incredibly late to be competitive, and if you miss the braking point by even a metre or two you end up carrying way too much speed into the corner or losing car lengths if you brake too early. In a big heavy street car, you have much more flexibility with your braking zone. Brake a little bit late and you can usually still save it and you'll only be going slightly too fast anyway (opposed to the open wheeler which you are going far too fast even if you missed it by only a meter). If you brake early in a big heavy street car, you just compensate by not braking as hard and you wont lose much speed at all.
The same goes for cornering. Because most open wheelers are extremely light, low moment of inertia and hard suspension, transitions are extremely fast and its far more difficult to save the car if you push too hard. You can see this if you watch F1, when you see a driver lose it slightly in the corner, they lose heaps of time trying to save it and have to react incredibly fast to save it. A big lumbering street car has slow transitions because of the nature of its large moment of inertia (read: large and heavy) and the suspension is usually more forgiving. So when you lose it in a corner, its not an instant "snap", but a gradual thing that you have quite a long time to save.
If you enjoy driving SUVs more than open wheelers then fine, I'm not going to argue with your personal preference
if you like it you like it, I'm not going to try and convince you otherwise. But due to the physics of SUVs, I'd say they are far easier to simulate than open wheelers, if you want to have "fun with physics", put open wheelers in... due to the nature of how they drive, any flaws in the physics engine will be clear. Where as the SUVs, any flaws in the physics engine will be hidden by the large moment of inertia, slow transitions and more forgiving grip vs slip angle curves.