I do agree with few things on this review. One being that M5 should sound more mean with all that power. The steering should have a bit more feel.
However, there is no way Porsche P. GTS will be able to stay up with M5 in any sort of race except for 0-60. There video clearly shows M5 being 3 car lengths ahead just to 1/4th mile. However, I would have liked to see how both cars compare on a decent race track like laguna Seca etc...
Looks wise M5 hands down winner. I also love RWD sports sedans which is classic in my opinion and more fun to play with.