Those numbers are probably with porsches PDK dual clutch tranny. Aside from that Porsche's engines are a lot more efficient in terms of making power and the whole car was developed from the ground up as a sports car.
The Z was developed around a general platform that many Nissan's incorporate. Quality and consistency is probably much better with Porsche...but you figure your paying for it also.
As far as I'm concerned Nissan's NA engine has always been overrated. If the Nismo is 350 it'll probably be on par with any other 300 hp engine.
In other words there are many factors that contribute here....could go all the way down to the tires. I'm sure porsche's engines don't overheat either and go into limp mode after a couple of hot laps on the track.
In the end it's a classic case of you get what you pay for.
Last edited by zman1910; 09-11-2010 at 03:37 PM.
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