2013 Audi S8 Base Model Bolt Pattern

Bolt Pattern
5x112mm = 5x4.4 inches
Tire Sizes
Option 1
265/35R21 = 28.3x10.4R21
Option 2
275/35R21 = 28.6x10.8R21

The 2013 Audi S8 Base Model bolt pattern is 5-112 mm. This means there are 5 lugs and the diameter of the circle that the lugs make up measures 112 mm or 4.4 inches across. To get a close measurement of your 5 lug bolt pattern without a bolt pattern tool you should measure from the center of one lug to the outer edge of the lug furthest from it.