Here's the first version of a test track I'm working on... designed to be easy to drive but tricky to master, and suitable for just about any car.

Points for spotting the (fairly well-mangled) influence

Shape of the track looks good, using the full size of the autocross nicely. Maybe the last part of the track might be a bit too tricky for the bigger and the faster cars, but I can't tell for sure because I can't try it at the moment.

I would maybe advise you to make that chicane a bit wider, but then again, maybe it will ruin the track when made too easy