Board Thread:Questions and Answers/@comment-83.22.113.171-20150411212750/@comment-84.93.77.160-20150412234222

you get a d class first, if you do not have all cars maxed, then like others say after 9 wins you get a c or a nitro, again, if you need to upgrade any class car. i upgraded all of them but bought a nsx, now I win free upgrades for that. play well my friend.