Originally Posted by hector
that example is often used but it's never mentioned that the displacement difference is <10%. if the m2 gets a 4cyl., i wonder if it will have in excess of 2.0ltr., say 2.2-2.4ltr.?
Yes, but those engines were NA. Now they are FI, so a larger difference in displacement plays no much role, except for throttle response, but that is no more an issue according to most; "turbolag is a thing of the past".
The I4 is to be a 2.2l I4, not based on N20.