Well, I can give your car a 5 star just by looking at the pictures and without testing it. The amount of work is simply impressive :)
But I have tested it (with my gamepad and my steering wheel), and there are 2 issues in my opinion:
1) Too much front grip: I am the kind of guy who hate understeer, and almost all the cars I build tend to oversteer. But even for me, your car has way too much front grip. It’s almost undriveable if you turn the electronics off, except if you play with a steering while, but it still extremely tricky to drive
2) The suspensions are too soft for a race car: First, it makes the weight transfer quite unpredictable, so you have to be extremely progressive when you have to brake or to change direction if you don’t want to lose the control of your car. The second thing is the bottoming out issue. Not because of the bumps of the road, but because of the weight produced by the aerodynamics settings. The rear suspensions are bottoming out around 220kph. If you pass this speed, you have to be extremely careful, because the rear can rebound with all the little imperfection of the track.
I am not blaming you, I perfectly know that it’s an Automation limitation. I got the same issue with a Hillclimb car I have made, and to solve this, I was forced to make the suspensions tunable in BeamNG. This way, I was able to have something hard enough. If you want, send me a PM, I can help you to do the same :)
That’s all I have to say, this is a really cool car!