this post was submitted on 13 Jul 2023
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How do I know if a rim is compatible with my car? (self.askmechanics)
submitted 1 year ago by clothes to c/[email protected]
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I'm getting confused by all the numbers involved. Here's my current understanding:

  • Bolt pattern needs to be an exact match (ex/ 5x114)
  • Diameter needs to be exact match, but there's some flexibility with width (ex/ 17x7 and 17x8 are probably interchangeable)

Things I'm confused about:

  • Does offset need to be an exact match? (ex/ ET45 vs ET42?)
  • How careful do I need to be with tire size, if the rim is correct? For example, if my car originally had 225/50R17, can I use a 225/65R17 tire?

Is there a good website for explaining these details? I've spent time on various wheel database websites, and they only give a list of sizes without explaining why they're compatible or not.

Thanks!

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