No, it's not some racing sim. It's a tilty game, like millions before it. There's only 3 tracks. HOWEVER, you can totally build your own car. Right now mine has 4 wheels (in 2d, so presumably 8wd) and 2 engines. It's fairly fun and a good time waster.
http://www.addictinggames.com/car-games/dreamcarracing-game.jsp
