Nismo Z can fit some pretty significant rubber in the back. when it comes to traction, Z has more of it, while the torque helped 135i to edge out.
I was looking at a loaded new 370Z but decided to go with the 135i.
Current: 11 , 135i 6MT
Past- Boss 302, LS6 Z06,GTI- APR stg2, LS2 GTO