it can't. 250mph is a damn exclusive speed. so far maybe only
the Koenigsegg CCR and the Veyron is supposed to hit 250mph.
and the koenigsegg has 800 over bhp in a car weighing about only a
metric ton or so, while the veyron has almost 1000bhp. Zonda "only"
has 500+bhp. not enuf to hit 250mph.