Audi Q5 tail light assemblies utilize 3 distinct bulb sizes: 921, 7506, and P21W, with the lower and main tail light positions requiring 921 or 7506 bulbs and the upper tail light position requiring P21W bulbs. The replacement chart covers vehicle production years spanning 2009 to 2024 with corresponding bulb size specifications.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.