Audi A6 2020 Bulb Size

Bulb size chart

This 2020 Audi A6 bulb size guide helps you verify the correct bulbs by lighting position, so you can match the right part before you buy. The A6 uses a mix of LED and halogen lighting depending on the lamp location, and some exterior items can vary by trim, package, and market.

Use this page as a quick reference for the 2020 Audi A6 when replacing exterior and interior bulbs. It covers common fitment points such as headlights, brake lights, turn signals, license plate lights, map lights, and cargo-area lighting, making it easier to identify the right bulb for each spot.

Fitment on the 2020 Audi A6 can change with trim level, lighting package, body style, and regional equipment, so always compare your vehicle with the bulb position listed here before ordering. Some lamps are factory LED units, while others may use halogen bulbs such as D3S, H15, H7, or H11 depending on the configuration. If you are considering aftermarket LED conversions, make sure the bulb type, connector, and housing design are compatible, and keep in mind that not every retrofit will work correctly in every reflector or projector setup. The safest approach is to check the bulb already installed in your car, confirm the socket style, and verify the lamp function before purchasing replacements.

FAQ

What bulbs does the 2020 Audi A6 use for low beam headlights?

Low beam headlight fitment can vary on the 2020 Audi A6. Listed options include D3S, H7, and H7 LED, depending on the trim and lighting package.

What is the high beam bulb for the 2020 Audi A6?

The high beam headlight bulb is listed as D3S or H15, depending on the vehicle configuration.

Does the 2020 Audi A6 use LED bulbs for the brake lights?

Yes. The brake light bulb position on this page is listed as LED for the 2020 Audi A6.

What bulb type is used for the front fog lights?

The front fog light bulb is listed as H11, but it is noted as optional, so not every 2020 Audi A6 will have the same setup.

Are the daytime running lights on the 2020 Audi A6 LED?

Yes. The daytime running light bulb position is listed as LED for this model year.

What should I check before replacing a bulb on my 2020 Audi A6?

Check the exact lighting position, confirm whether your car has LED or halogen equipment, and compare the installed bulb or module with the listing for your trim and market.

Do all 2020 Audi A6 models use the same bulb sizes?

No. Trim and lighting package can vary by market and body style, so some bulb positions may differ between vehicles.

Can I replace an LED bulb with an aftermarket LED upgrade on the 2020 Audi A6?

Sometimes, but not always. Aftermarket LED conversions must match the socket, fit the housing correctly, and work with the vehicle’s lighting system without causing errors or poor beam pattern.

What bulb is used for the license plate lights?

The license plate light bulb is listed as LED on the 2020 Audi A6.

Are the interior lights on this page also LED?

Yes. The vanity mirror, glove box, trunk or cargo area, dome, map, interior door, stepwell, and rear reading light positions are all listed as LED.

What about the rear turn signals and side markers?

The rear turn signal, front side marker, and rear side marker bulb positions are listed as LED for the 2020 Audi A6.

How can I avoid buying the wrong bulb for my Audi A6?

Use the bulb position on this page, confirm your car’s trim and lighting package, and inspect the installed bulb before ordering. That is the best way to avoid mismatched fitment.

Audi A6 Bulb Size by Year