Audi A4 tire size
The most common factory tire size for the Audi A4 is 245/40R18, on 37 of the 43 year and trim fits listed. Each year below lists the sizes its trims were built with (2010 to 2020). Pick your year and trim to see the tires that fit.
Audi A4 tire sizes by year
20203 sizes · 9 trims
20193 sizes · 10 trims
20183 sizes · 9 trims
20173 sizes · 7 trims
20163 sizes · 7 trims
20153 sizes · 9 trims
20143 sizes · 9 trims
20134 sizes · 8 trims
20114 sizes · 6 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.