the breaking power of an object does not depend on its amount of wheels. Your argument is invalid.
I don't wanna argue but as its been explained in short interview with constructor here - it does. He explained that having 4 wheels instead of 3 is getting the car more chafing / friction surface and 4 breaking points of the whole construction are eliminating kinetic energy instead of 3.
but as i said - I am not arguing - just what I have heard in mentioned TV interview. I might be wrong of course.
edited : read more below and it looks like it was all about break and brake ? Then ok I accept this - I am the 1 asshole here who should study english more