you should get this in a search mate. But 195 45 16s is whats on them. Can go 205 if u want. But better with spacers
 
sorry to draag up an old post!!! this is the only relavent post i could find lol! the standard 16" "star" alloys on a cupra, are they 6" wide or 6.5" wide??? and they will hold a 205 / 16tyre fine???

Mant Thanks!!!
 
if you take the centre cap off, it says "6j" im guessin that 6j is 6", but im not too sure though as im not really mechainically minded as of yet!!! hopefully this will help :s