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C5 wheels on c6?

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Old Aug 15, 2025 | 01:36 AM
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Default C5 wheels on c6?

Hey everyone, I have a set of c5 wheels laying around and just recently got a c6. My question is what is the process of mounting the c5 wheels onto the c6? Has anyone done on here before? Some insight and information would be much appreciated. Things I need such as spacers and other things. Or can they be mounted directly onto the c6? For reference, the c5 fronts are 255/40/18. Rears are 285/35/19.

Anything helps!
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Old Aug 15, 2025 | 10:44 AM
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If you already have them, why not test fit them and find out.
seems like a logical thing to do.

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Old Aug 15, 2025 | 10:58 AM
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18"s and 19"s aren't stock C5 sizes so they must be aftermarket. Check/compare offsets and as mentioned, try them out.
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Old Aug 16, 2025 | 11:43 AM
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I think they will stick out too much.
There's a c5 guy I see around and he has stock c6 rims on his coupe and he has like 2" spacers on but like others said, try them on.
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Old Aug 17, 2025 | 01:58 PM
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My C6, bought used, came with C5 "wagon wheels". I'm 99% sure all C5's (even the Z) came with 17" front and 18" rears. Mine had no spacers and looked normal as far as spacing goes. Pretty hideous to look at though. Got them off as soon as I could. PO thought the taller side walls of the C5 tires would make it drive smoother. I couldn't tell any difference. Yeah, if you have 18/19" rims, they didn't come from a stock C5.

Last edited by old motorhead; Aug 17, 2025 at 02:03 PM.
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Old Aug 17, 2025 | 02:06 PM
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Originally Posted by old motorhead
My C6, bought used, came with C5 "wagon wheels". I'm 99% sure all C5's (even the Z) came with 17" front and 18" rears. Mine had no spacers and looked normal as far as spacing goes. Pretty hideous to look at though. Got them off as soon as I could. PO thought the taller side walls of the C5 tires would make it drive smoother. I couldn't tell any difference. Yeah, if you have 18/19" rims, they didn't come from a stock C5.
Yes they are not stock, they are interlagos tsw rims and are slightly bigger. Other than test fitting them, is there any way to tell if they’d fit? Like a size chart of some sort? Or wheel calculator?
thanks for all the replies everyone!
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Old Aug 17, 2025 | 07:49 PM
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If you can get the widths and offset that would help.I run a 10.5 width with 64mm offset and they are flush with my rear fenders.
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Old Sep 2, 2025 | 09:04 PM
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Originally Posted by jamieo
If you can get the widths and offset that would help.I run a 10.5 width with 64mm offset and they are flush with my rear fenders.
Sorry for the late reply, the new wheels are 285/35/19 with +65 offset for the rears. And for the fronts it’s 255/40/18 with +50
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Old Sep 2, 2025 | 09:19 PM
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They will fit just fine.I have 255 fronts and 295 rears.45mm offset fronts and 64mm offset rears and no issues at all.
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Old Sep 2, 2025 | 09:30 PM
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Much appreciated🙏🏼 I’ll give it a try
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Old Sep 2, 2025 | 09:33 PM
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I could send you a few pics of my setup if you have any doubts.I don't think I have any right now but can get a few in the morning.
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Old Sep 2, 2025 | 09:34 PM
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Yeah that would be sweet if you’ve got a chance. Curious how they look
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Old Sep 2, 2025 | 09:39 PM
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Only pic I could find on my computer.I will PM you some other angles tomorrow.
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