Fixed it for ya!

edit: Reminds me of a buddy of mine (back in 1996-7) that leased a Honda Civic EX (his parents had money) and he modded the hell out of it including replacing the auto transmission with a manual. Needless to say, when the lease was coming to an end, there was no way in hell Honda would of taken the car back in the condition it was in.. over mileage, interior, exterior oh and the fact its a manual now, when it was an auto. So, one day, his civic was "stolen".

Then he got a Passat with a turbo..

I've owned both.

The Z gets better gas mileage and is a smoother ride. It looks better and has a more mature/classy feel to it. Obviously, only 2 seats and minimal storage. I didn't mind much about the storage until I owned my Jeep. It is nice to have the space.

The X is a lot quicker, bolt on for bolt on. It does not look as good bone stock, but gets much much better with good wheels/offset. The ride is much rougher than the Z, but the steering is a lot more nimble.

The Z drives like a GT car while the X drives like a sports car. Also, the Z is much quicker stock for stock.