Audi S4 bulb size

What is the correct light bulb size for Audi S4? It is a popular question as Audi S4 lamps tend to fade out and dim off over time due to the limited life span.

Our comprehensive chart will guide you through Audi S4 light bulb sizes for all interior and exterior lamp types like headlights, fog lights, turn signals, brake lights, tail lights, license plate, dome lights, trunk lights and many more.

You will learn how to upgrade Audi S4 with LED lights or install HID headlight conversion instead of spending countless hours trying to figure out the needed light bulb size.

Search bulb size by Audi S4 models

Here we have collected the bulb types and fitment data for Audi S4 by the years.