Considering the fact that both the cayenne turbo s and the ml63 both have over 500hp with 0-60 times of about 4.8 secs, I think BMW will need to make the "is" model more powerful than 460hp, unless they can make the "is" just as fast or they're planning on coming out with a "M" model for the X.

__________________
If you feel the need to bash/rag/insult/demean someone, please read this before you do. Thanks and have a great day!