Audi S4 tire size
The most common factory tire size for the Audi S4 is 245/40R18, on 41 of the 54 year and trim fits listed. Each year below lists the sizes its trims were built with (2010 to 2025). Pick your year and trim to see the tires that fit.
Audi S4 tire sizes by year
20222 sizes · 8 trims
20212 sizes · 8 trims
20202 sizes · 8 trims
20192 sizes · 8 trims
20182 sizes · 6 trims
20162 sizes · 6 trims
20152 sizes · 6 trims
20122 sizes · 3 trims
20112 sizes · 3 trims
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.