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Tire size question for 18x8.5 wheels

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Old 07-26-2005, 09:00 AM
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Default Tire size question for 18x8.5 wheels
Hey guys, I've got an '02 S6 Avant with the stock 17" wheels. I'm going to put Blizzaks on the 17's for winter and going to buy a new set of 18x8.5 wheels and tires for summer. From searching tire/wheel dealers online, I'm getting mixed info on tire size. What size tire should go on an 18x8.5 Audi wheel?
Thanks for any help
Tim
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Old 07-26-2005, 09:07 AM
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<ul><li><a href="http://miata.net/garage/tirecalcold.html">Tire size calculator</a></li></ul>
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Old 07-26-2005, 09:19 AM
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235/40/18
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Old 07-26-2005, 09:22 AM
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255/35/18 is what I'm running.
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Old 07-26-2005, 09:50 AM
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Default While the OEM RS6 wheels run 255 tires, IMHO this size is more appropriate for a 9" or 9.5" wide rim
For 8.5" I think 235 or 245 is more appropriate. I'd go with wider rims if I were you and run 265s, esp if you will have a spare set for winter.
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Old 07-26-2005, 10:29 AM
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The OEM 17" pie plates run 255/40/17's
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Old 07-26-2005, 12:22 PM
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Old 07-26-2005, 12:36 PM
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I'm running 265/35-18, have been since new on 18X8.5. Is slightly larger than stock, same = 255/35.
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