there isnt much of a comparison at all really. i hope no one takes this the wrong way, but if you put most sim racers in a real car, there is no guarantee that they will do well.
that may sound harsh, but its a fact. also, real racers wont necessarily be good at sims. for the few that are, that is good for them.
another difference between real and sim: real is so much more fun because of the sensation you get of racing wheel to wheel, knowing you're on the edge.
im currently trying to climb the motorsport ladder, but right now im still in karting. but offer me a day of gp4 or any other sim, (on a good pc for once) or a day in my kart and i know what i would choose every time.
any whoever said that thing about alex yoong is absolutely right.
perry mccarthy went to a small local track where i raced when i was younger, and shattered the lap record. no one could get near him.
it just shows that today whilst money can actually get you all the way to f1, to get to the very top you still need the ability. (and prefarrably something better than an andrea moda :p )
good luck to that guy doing f3 this year
TAX DODGER