Below is a list of light bulb types used in 2015- AUDI A4 lighting system, covering estate and saloon 4-door vehicles.
| Position | Type | Get on Amzn US | Get on Amzn UK |
|---|---|---|---|
| Headlight (low beam) | |||
| D5S | $119.99 | £168.12 | |
| Headlight (high beam) | |||
| D5S | $119.99 | £168.12 | |
| Fog light | |||
| H8 | $10.74 | £14.05 |
| Position | Type | Get on Amzn US | Get on Amzn UK |
|---|---|---|---|
| Rear indicator (turn) signal | |||
| PY21W | $20.00 | £9.99 | |
| Tail light | |||
| P21W | $7.99 | £5.02 | |
| W16W | $6.99 | £6.52 | |
| Brake light | |||
| P21W | $7.99 | £5.02 | |
| W16W | $6.99 | £6.52 | |
| Back-up light | |||
| W16W | $6.99 | £6.52 | |
| Rear fog light | |||
| H21W | $8.64 | £4.99 |
| Position | Type | Get on Amzn US | Get on Amzn UK |
|---|---|---|---|
| Glove compartment light | |||
| W3W | $6.57 | £2.89 |
Light bulb sizes for other AUDI A4 generations: A4 (B5) / A4 (B6) / A4 (B7) / A4 (B8)