they'll look big because they're on a fiesta which is little, dont go for a wheel just because it looks bigger than another one, go for what looks the best
look at it this way the 1st 1 will b easyer 2 clean coz the 2nds have got thin gaps in them lol at the end of the day it is up 2 u mate get a pic of them both and use the photo thing 2 c wot will look nicer