What's the difference between these wheels?

[PeterC]

Originally Posted by Solo_909

Hey guys so I'm looking for some 40's wheels for my 35 coupe. I've found that there's 16", 4" and 4.5" out there besides the width what's the difference?
Will both work on my coupe and wouldn't the wider ones be better?

Thanks!

I run 4 inch rims on my front and 4 1/2 on my rear to accommodate a slightly larger tire in the rear. Hope that helps!