It'd be great if the 2 player won't reset progress, if playing a match which was already won won't substitute the score and if there was a pause button.
How to avoid crashes & win nearly always:
1. Buy Michael Schumacher (Mickey Shoemaker, the last one)
2. Buy the best available car parts.
3. Buy an OK pit girl.
4. Put the same HIGH levels on engineering.
5. Don't mind qualifying. When racing, start with nearly max. fuel (not max, then car oftenly crashes due to unknown reasons) and nearly no effort.
6. Wait for new parts. If they are good and they don't decrease reliability, buy them.
7. When you have good parts, then you can decrease engineering.
8. Vote up this comment.
With this, I had the results of: 3 2 0 0 1 3 1 1 0 1 1 1 1 1 0 1 (this means win rate of 56.25%) and got a final score of 4632041.66.