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265/35 R20; a bit of an odd size on the S8

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Old 11-30-2006, 10:56 AM
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Default 265/35 R20; a bit of an odd size on the S8

I have a bit of a problem.

I could do with new shoes on the beast soon, and I asked my local Audi dealer what they could get in 265/35 Z R20 and 99Y load rated. The answer was "Dunlop SP9000 or 8000, 307 pounds plus tax each".

Yikes!

I can't find any stocks of 265/35 R20 online from the usual UK places.

What do you think to putting 275/35 R20 tyres on it instead? According to <a href="http://www.miata.net/garage/tirecalc.html">this calculator</a>, it would throw the speedo out by 1%, which probably means it would be about right, seeing as it seem to read very slightly high anyway.

In 275/35 R 20, I seem to have a lot more choice:

From blackcircles.com, I could get a Michelin Pilot Primacy or Hankook K 104 (both only Y speed rated though - problem?), or a Continental Sport Contact 2, which I know is Z rated and also I've had CSC2 before and been happy with them for their wet/cold performance. I don't know if they're Extra Load though.

From tyre-shopper.co.uk, Pirelli P Zero Rosso for ?269 each.

From mytyres.co.uk, a huge choice - Falken FK-452 for ?167, Dunlop SP Sport Maxx for ?213, Pilot Primacy for ?267, Hankook VENTUS SPORT K104 for ?182, Yokohama AVS SPORT for ?203 (might be too low a load rating though) or CSC2 for ?242.

Does the collective think that a 275 tyre would work on those wheels?

What of those would be good? CSC2 are a known for me, had them on the RS 6 and W12, and thought they worked well in the winter, so could be a good call right now. Any of those others a 'must have' tyre?
Old 11-30-2006, 11:23 AM
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Default Should work fine - only a 7mm increase in diameter.

I don't think you will have any clearance issues.
1% speedometer error is nothing.

The Michelin and the Contis are both good - the Rosso is not a good choice. Not familiar with the others you mention.

Y rating should be a non-issue - I would pay more attention to the load factor.
Old 11-30-2006, 11:56 AM
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Default I have Dunlop 275's on 20 inch rims on mine right now. They will come ..

off this weekend for A/S tires (Michelin Pilot Sport) in the 275/35 R20 size.
The 275's fit perfectly.
How the heck have you worn the tires already!
Old 11-30-2006, 12:58 PM
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I'm running 275/35's on my D3 and they work perfectly.
Old 11-30-2006, 02:09 PM
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Default No problem, what width is the S8 wheel?

And why is it in inches and tire sizes are in mm????
Old 12-01-2006, 01:49 AM
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Default Re: "How the heck have you worn the tires already!"

9700 miles, mostly done on my rural single-carriageway commute run, and often at a fair old speed. ;^)
Old 12-01-2006, 01:52 AM
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S8 wheel is 9J x 20
Old 12-01-2006, 01:03 PM
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wow, only 9700 miles???? you must drive like a madman!
Old 12-01-2006, 02:26 PM
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Default Why have 450 PS and AWD and drive slowly? ;^)

I'd been doing this 44 mile each-way run most weekdays for 11 years, and this is my 6th quattro, and the third one of those with 450 PS. I'm pretty rapid on the open stretches!

The Pirellis are 220 wear rated, which is pretty low. On Contis with a 280 rating, I can get about 11k to 13k miles out of the fronts, sometimes 15k out of the rears (although I usually change all four at once).

I daren't buy Yokohamas with a 180 wear rating, I'd eat those in 5000 miles!
Old 12-02-2006, 10:27 AM
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Default Whoa! And I thought 2500 miles per month was high!

You won't find many options in the 265 size, 275's work just fine
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