Steve i don't own a C4 but on my c5 as long as the offset is right it should be no problem:thumbsup:SteveK said::shrug01: I have a '93 Convertible that came with 17 X 8 1/2 front and 17 X 9 1/2 rear rims. I have found a set of 17 X 9 1/2 front and 17 X 11 rear rims. Has anyone run the wider rims? Will they work or will I have problems with the wider width?