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Tire Sizes for 20”/21” Setup on a GT R

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Old Apr 14, 2026 | 04:14 PM
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2017 Audi R8 V10 Plus
Tire Sizes for 20”/21” Setup on a GT R
Hey all,
what are the recommended tire sizes for 20x10 / 21x12.5” wheels?

It looks like 325/25/21 is common for 21” rear wheels but I’m looking at Michelin Cup 2 tires which do not come in 325/25, only 325/30
Last edited by Southpaw07; Apr 14, 2026 at 04:54 PM.
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