Car racing games are great if you are running in real time, and it's amazing to think that you can jump on the net, whenever you want and can to run a real opponent instead of a programmed computer.
Of course there is no need to think about the difference between playing online car racing do you experience when you play to be said, compared to some of the games free online car racing game on a modern console, you'll find on the net.
Some of them are just a waste of time and effort for developers. The graphics are sub-par is that adaptation can not exist and there is very little you do to make the race for you.
It's about the handling of the modern game, with improved graphics, custom engine tuning, real time reporting on the state of damage and of course some games like "Need for Speed", you can run errands, collect points on your driving skills and can add all kinds of improvements to your car.