Just had two new goodyear f1's fitted to mine which were what was fitted from the factory 265/40 R20 Y (104) whilst the car was in for a service.
I get great mileage from these these are only the second pair I have had fitted at 34k miles. They handle well and are rated the quieter of the premium brands.
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Audi S8 2017 Mythos Black
Previous 8's
Audi A8 V8T Sport Exec.
to 2017
A8 3 litre sport till 2016
Short walk on the MB dark side
A8 3 litre sport from 2010 to 2012