that's true the STOCK Sti and STOCK R34 are very comparible in a straight line race. Virtually same power / weight ratios, however the R34 is a great deal more exspensive because it has so much more potential. The Sti needs some pretty hefty work to make 400+ the R34 needs very little. you have to understand the R34 is set at a certain power limit becuase of freindly agreements between japanese sports car makers.