Audi S4 Motorcodes / Motorenübersicht
Audi S4 Motorcodes / Motorenübersicht / Motornummern / Motorenkennziffern
| Kennbuchstabe | PS | ccm | Bauzeit | Modell | Bemerkung | Zylinder |
| AAN | 230 | 2200 | 08/91-07/94 | AUDI S4 | 5 | |
| ABH | 280 | 4200 | 10/92-07/94 | AUDI S4 | V8 | 8 |
| AGB | 265 | 2700 | 10/97-09/01 | AUDI S4 | V6 | 6 |
| APB | 254 | 2700 | 08/98-12/98 | AUDI S4 | V6 | 6 |
| AZB | 265 | 2700 | 11/00-09/01 | AUDI S4 | V6 | 6 |
| BBK | 344 | 4200 | AUDI S4 | 8 | ||
| BBK | 344 | 4200 | 03/03-12/04 | AUDI S4 | V8 | 8 |