15 or 16

I am finally going to get new Alloys for my 1.2 65bhp cant afford Seat ones so am going to get something similar what would be best 15" or 16"? bearing in mind i dont want to loose any performence not like i have much in the first place:rolleyes: would 16" affect fuel consumption stress on car...

Hi Guys, Just joined, brilliant forum!! I've got a completely standard Ibiza Cupra in Yellow. I've been searching and no one has got any information on 15" wheels. I want a bit of a motorsport look and i'm thinking black / anthracite on the yellow car will look mean as f**k!!!! Am...