Bulb size & fitment reference

2003 Audi RS6
Bulb Size Guide

Get the bulb-size answer first, then check factory-system differences and position-specific notes before buying.

Select Your Vehicle

Quick Answer for 2003 Audi RS6

Start with the positions you’re most likely to replace. Full fitment details are below.

Headlight High Beam

Headlight Low Beam

Reverse Light

Brake Light

Before You Buy: Factory Lighting Can Vary

Your vehicle may use different factory lighting systems. Check the applicable system before ordering.
Halogen bulb example

Halogen

Halogen bulbs are the standard factory bulbs and are easy to replace.

HID bulb and ballast example

HID

HID bulbs provide higher intensity light and require a ballast.

Full Bulb Fitment by Lighting Position

Find the bulb size for each lighting position and check any fitment notes before ordering.
Fitment Reminder
Bulb size can vary by factory setup. If you're unsure which option applies to your vehicle, confirm your current bulb or select your configuration on the product page.