Audi A3 2011 Bulb Size
Bulb size chart
This 2011 Audi A3 bulb size guide helps you verify the correct bulbs by lighting position, so you can match the right part before you buy. Because trim and lighting equipment can vary, the same A3 may use different bulb types depending on whether it has halogen or HID headlights, and depending on body style or market.
Use this page as a quick reference for exterior and interior lighting on the 2011 Audi A3. It covers common replacement points such as headlights, daytime running lights, brake lights, turn signals, license plate lights, dome lights, and small cabin bulbs, making it easier to confirm the correct fit for each location.
Fitment on the 2011 Audi A3 can change with trim package, factory lighting options, and regional specifications, so always compare the bulb position on your car with the chart before ordering. Halogen and HID setups do not use the same bulbs in every location, and some owners upgrade to LED replacements or aftermarket conversion kits, which can affect beam pattern, brightness, and warning messages. If possible, check the installed bulb number directly from the old bulb or housing before purchase, especially for fog lights, parking lights, and interior lamps where multiple sizes may appear in the same model year.
FAQ
What bulb does the 2011 Audi A3 use for the low and high beam headlights?
The 2011 Audi A3 uses D3S bulbs for the high beam and low beam headlights on HID-equipped models.
Which daytime running light bulb fits a 2011 Audi A3 with halogen headlights?
For halogen headlight setups, the daytime running light bulb is 5201.
Which daytime running light bulb fits a 2011 Audi A3 with HID headlights?
For HID headlight setups, the daytime running light bulb is LED.
What bulb is used for the rear turn signal on the 2011 Audi A3?
The rear turn signal light bulb is 7507.
What bulb fits the reverse light on a 2011 Audi A3?
The back up reverse light bulb is 921.
What are the brake and tail light bulb sizes on this model?
Both the brake light bulb and the tail light bulb are 7506R.
What bulb does the front fog light use on the 2011 Audi A3?
The front fog light bulb can be H11 LED or H16 LED, depending on the exact lighting setup.
Which bulb is used for the license plate light?
The license plate light bulb is 6418.
What bulb fits the dome light in the 2011 Audi A3?
The dome light bulb can be 6411 or 6428.
What bulb sizes are used for the glove box and trunk or cargo area lights?
Both the glove box light and the trunk or cargo area light use 2825 or 98 bulbs.
What bulb fits the map light in the 2011 Audi A3?
The map light bulb is 64111.
Do parking lights and side marker lights vary by headlight type?
Yes. With halogen headlights, the parking light bulb and front side marker light bulb are 2825 or 98. With HID headlights, both positions use 2827.
Are the courtesy and vanity mirror lights the same bulb size?
Yes. The courtesy light bulb and vanity mirror light bulb are both 6418.
Why should I check my installed bulb before ordering replacements?
Because the 2011 Audi A3 can vary by trim, lighting package, and market, checking the installed bulb helps confirm the exact fit and avoids ordering the wrong size.