2013 Audi S8 Tire Sizes

Factory original equipment (OE) tire specifications.

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(Summer Tires)

Tire Size
275/35R21
Load Index
103
Speed Rating
Y

(Summer Tires)

Tire Size
275/35R21
Load Index
103
Speed Rating
(Y)

Base

Tire Size
265/35R21
Load Index
101
Speed Rating
Y