No way man, it takes sooooooo long, I used the BMW M3 GTR Race Car, I beat the second place man by 9 laps, and that is a long way if you know the Nürnburgring.
I got the F1 style car and 1.2 Mil, so it was worth it, the F1 car is not as good as the ones in GT3, but it still is quick and holds...