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Winter tire sizes...thoughts?

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Old 09-13-2009, 08:40 AM
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Default Winter tire sizes...thoughts?

I live in Alaska...while snow tires aren't always a MUST, they are a good idea, especially compared to the summer tires the S4 comes with.

Anyway, I picked up some winter tires when I purchased my 2008 VW R32. The tire size is 225/40/18. I also have a set of 18" VMR710 wheels which certainly should fit the S4.

I know the stock 18" size is 245/40, so the 225/40 would be significantly skinnier, which isn't such a bad thing when it comes to winters.

Thoughts?
Old 09-13-2009, 08:45 AM
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The skinny (225) is ok, but it's also a bit shorter in total diameter (about 2.5%). It will work when all four are the same, but your speedo will be off and it might look slightly off (not filling the well).

It might be slightly too different for the regular spare to work, I'm not sure what the quattro tolerance is.
Old 09-13-2009, 08:53 AM
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225/45/18 closer to stock 245/40/18 diameter(1% off).
Old 09-13-2009, 09:17 AM
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Originally Posted by equ
The skinny (225) is ok, but it's also a bit shorter in total diameter (about 2.5%). It will work when all four are the same, but your speedo will be off and it might look slightly off (not filling the well).

It might be slightly too different for the regular spare to work, I'm not sure what the quattro tolerance is.
Oh yeah....I'm just thinking about the possibility of using what I currently have...as I won't be trading in the snow tires and 18" wheels that I have with the R32. I'm getting the 19" wheels w/ summer tires on the S4.

If I were to buy new snow tires I'd just get the 245/40R18. Just trying to save some cash.
Old 09-13-2009, 10:26 AM
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I recall there being some issues with hub size on the B8, so you may want to verify your existing winter rims will fit.
Old 09-13-2009, 12:11 PM
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Ahh...are you saying the hub size may be different than 57.1?
Old 09-13-2009, 03:32 PM
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I plan to use a 17" winter wheel/tire combo.
Old 09-13-2009, 04:11 PM
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I hope to go 17" as well, 245/45-17 or 225/50-17... But I don't think the tirerack website is not yet finalized on wheels for the b8 s4, while it spits out some results, you can get it to do silly things. Somewhere online I saw one of their employees commenting that they don't have a car to do test fits just yet. So 18" will be safer. Or we wait for people to test fit stuff...

(Btw, I'm also a cayman owner, and like the generous rubber on that car)
Old 09-13-2009, 04:31 PM
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You guys think there will be a 17" wheel that clears the brakes?
Old 09-13-2009, 05:56 PM
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Originally Posted by Nutdotnet
Ahh...are you saying the hub size may be different than 57.1?
Im pretty sure the bore is 66 on b8s and not 57 .

Just in case you really needed yet another set of winter wheels.


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