The best Audi A4 headlight upgrade depends on model year, facelift status and original lighting package. The 2016-2019 xenon projector product and the 2020-2024 LED assembly target different front-end designs.
2016-2019 xenon projector option
The 2016-2019 Audi A4 xenon projector assembly targets pre-facelift B9 applications. It is most straightforward when the original system, ballast and functions are correctly matched.
2020-2024 LED option
The 2020-2024 Audi A4 LED assembly targets the facelift B9.5 front end. It can involve more complex drivers, adaptive functions, coding and component setup.
Comparison table
| Option | Best for | Main verification |
|---|---|---|
| Exact OEM | Factory restoration | Full part number and equipment codes |
| 2016-2019 xenon projector | Pre-facelift B9 replacement or upgrade | Original xenon/LED package and modules |
| 2020-2024 LED | Facelift B9.5 replacement or styling update | Body, drivers, adaptive functions and coding |
How to choose
Use the 2016-2019 compatibility guide or 2020-2024 compatibility guide. Establish generation and physical fit before comparing lamp technology and price.
Total installed cost
- Both housings and required bulbs or LED units.
- Ballasts, igniters, drivers, control modules and adapters.
- Shipping, taxes and customs.
- Professional installation and bumper removal.
- Diagnostics, coding, adaptation and beam alignment.
Buyer questions
Ask for written confirmation of body, production dates, supported original lamp systems, included electronics, retained adaptive functions and beam market. Provide VIN and clear component photos.
Frequently asked questions
Will 2016-2019 A4 headlights fit a 2020-2024 A4?
No. The facelift changed the lamp shape and front-end interfaces. Select the assembly for the exact production range.
Which year models are covered?
Available products separately target 2016-2019 and 2020-2024 Audi A4 applications. Confirm VIN build date and facelift shape.
Does an Audi A4 headlight upgrade require coding?
It may. Module transfer, adapters, coding, adaptation or component protection depend on the original and replacement systems.
What modules should be included?
Confirm ballasts, igniters, LED drivers, control units and adapters using a written packing list.
Is xenon or LED the better choice?
The best choice is the system designed for the exact vehicle and buyer goal. Correct fit, beam pattern, function retention and support matter more than technology name alone.

