If both were bone stock... the zx4 would assuming you can shift right because the zx2 auto tranny is a slush box and isn't really that fast... But if the zx2 had a 5speed my money would be on it...
The zx2 is with a 5speed is:
a) a little lighter.
b) the same tranny as the zx4 but shorter geared which if used right can be better on a drag strip.
c) has VCT so the tourqe band peak is bigger
2000 Ford Focus US Spec Zetec 5 speed "Blue Dragon"
2000 Renault Clio 1.4 DOHC 5speed "Snap Dragon"
Hatch Nation #32