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Audi Light Bulb Size Guide
Complete bulb size reference for all Audi models from 1989 to 2019. Find the exact headlight, fog light, and tail light bulb sizes for 262 vehicles across 39 models.
Audi has 262 vehicles in our database spanning 1989 to 2019. Newer Audi models are increasingly equipped with OEM LED headlights (19% of vehicles in our database). Popular models include the A4, S4 and A6.
Year Range
1989 – 2019
262 total vehiclesModels Covered
39 models
Most popular: A4OEM LED
19% of vehicles
Factory LED equippedCommon Audi Bulb Types
| Position | Bulb Type | Vehicles | Shop |
|---|---|---|---|
| Brake Light | LED Bulb | 185 vehicles | Check Price |
| Trunk Light | 2825 | 136 vehicles | Check Price |
| Turn Signal Rear | LED Bulb | 127 vehicles | Check Price |
| Dome Light | 6411 | 122 vehicles | Check Price |
| Side Marker | LED Bulb | 118 vehicles | Check Price |
| Parking Light | LED Bulb | 118 vehicles | Check Price |
| License Plate | LED Bulb | 108 vehicles | Check Price |
| Reverse Light | 921 | 100 vehicles | Check Price |
| License Plate | 6418 | 85 vehicles | Check Price |
| High Beam | HID-D3S LED | 78 vehicles | Check Price |
CANbus System Detected
Audi vehicles typically use a CANbus electrical system. When upgrading to LED bulbs, you may need anti-flicker decoders to prevent dashboard warnings or bulb flickering.
Browse Audi Models
Frequently Asked Questions
Audi vehicles commonly use bulb types including LED Bulb, 2825, LED Bulb, 6411, LED Bulb. The exact size varies by model and year. Select your specific model below to find the correct bulb size.
We cover 39 Audi models including 100, 80, 90, A3, A4, A4 Allroad, A4 Quattro, A5, A5 Quattro, A5 Sportback and more. Each model page has a year-by-year bulb size chart covering every position — low beam, high beam, fog light, turn signal, and brake light.
Yes, Audi vehicles use a CANbus electrical system that monitors bulb resistance. Standard LED bulbs draw less power than halogens, which the system may interpret as a burned-out bulb, triggering a dashboard warning or causing flickering. You'll need a CANbus-compatible LED kit or an anti-flicker decoder harness.
Our database covers Audi vehicles from 1989 to 2019, with 262 total entries across 39 models. About 19% of Audi vehicles in our database have OEM LED headlights from the factory.
Select your Audi model from the list below, then choose your model year. You'll get a complete chart of every bulb position with the correct size and a direct link to purchase on Amazon.