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Just curious...does anyone know if a 245-40-18 tire will fit in the spare well in the A6 trunk?

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Old 01-13-2009, 12:29 PM
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Default Just curious...does anyone know if a 245-40-18 tire will fit in the spare well in the A6 trunk?
I am replacing my summer setup, and was considering the same size I ran before (255-35-18), but also considering 245-40-18 as an alternative.

Tire calculator says my stock tire size is 25.0" diameter. I know a 235 45 17 tire fits in the trunk (25.3" diameter), but the 245-40-18 tire is 25.7" diameter.
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Old 01-13-2009, 01:50 PM
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Default My 235/40-18 does...
Mounted on an 18x8 wheel. Its a tight fit, though.

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Old 01-13-2009, 02:24 PM
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Same here. I don't think a 245 would fit.
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Old 01-13-2009, 02:28 PM
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Default step1: remove all dead hookers, step2:insert wheel in to spare well
step3: re-insert as many dead hookers that will fit around spare 245 wheel =)
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Old 01-13-2009, 02:38 PM
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Default It does fit kinda but you have to let some air out.
Buy a plug in lighter air pump.

245/40's fill in the wheel well nicely and if you swap to stock front sways it will ride very comfortably over bumps.
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Old 01-13-2009, 02:41 PM
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I thought about mentioning that, but I didn't think the sidewalls would be flexible enough.
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Old 01-13-2009, 03:43 PM
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Default A 0.4" diameter difference on a spare tire used sparingly will be fine...
...if the bigger tire's tread is worn down and the spare tire's tread is not, their diameters are going to really be the same in that situation anyway.
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Old 01-13-2009, 04:00 PM
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Man that prairie dog in your sig gets me every time. That is a trip.
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Old 01-13-2009, 04:46 PM
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Do you need to purchase another spare? Can you just get by with your current?
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Old 01-13-2009, 05:00 PM
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You should watch the one on YouTube that actually has sound. Very amusing.
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