The contours do okay on an autocross course. Depending on your modifications, you'll be classed in GS, STS, SM...
You can check the rules at this
Unofficial Rules Page, and it should give you an idea of where you sit.
The car is a bit heavy, but it does have really good brakes. I had very good success locally, but fell flat on my face at Divisionals and Nationals. If you are just starting, it will be a good car to have fun with.
Good Luck
