Originally Posted by SteelMoments

You can! I work with a guy who is also an autocross instructor... He encouraged me to take my old Tiburon out. I was a little reluctant (though mainly because I don't like to get up before the sun, and those events always start gawd-awful early), and he told me that people often tell him that "my car can't do that!" But actually they can! Even a beat-up old Nissan Sentra can be pushed. You just have to know the car's limits, and know your own limits as a driver. The best place to find those out is on a track, of course...