Most group B cars were around the 420bhp mark, the Audi went as high as 530 (heard of more but I don't really know how accurate the figures are) as said, suspension technology has improved loads sinse then, so a modern WRC car would leave them, but maybe not sound as good. A lot don't know that the manta 400 was a group B car as well in the end (approx 270bhp). The 205 was probably the most succsesful of the bunch, as it was lighter and more nimble than the auddi