Originally Posted by jwko
The 255's are just a tad bit taller than the 245's. The width "75" would be pretty much the same. They shouldnt rub each other. Now if you went to a 255/70 you might have a rubbing issue.
255 IS THE WIDTH.......75 IS THE PROFILE.
255/75 R17 - The first number is the width of the tire in millimeters, measured from sidewall to sidewall. The second number is the aspect ratio. This is a ratio of sidewall height to width. The R17 is the wheel diameter.