Audi's S6 is een 4-deurs sedan welke wordt geproduceerd sinds 1994. Enkel verkrijgbaar als 4,0-liter benzine. De instapprijs is €127.050 voor de 4.0 TFSI quattro en gaat tot €131.090 voor de meest uitgebreide S6, de 4.0 TFSI quattro Pro Line +.
| Type | Motor | Transmissie | Inhoud |
| 4.0 TFSI quattro | benzine | S Tronic 7 | 4.0 liter |
| 4.0 TFSI quattro Pro Line + | benzine | S Tronic 7 | 4.0 liter |
| Type | Motor | Transmissie | Inhoud |
| 4.0 TFSI quattro Pro Line | benzine | S Tronic 7 | 4.0 liter |
| 4.0 TFSI quattro Pro Line + | benzine | S Tronic 7 | 4.0 liter |
| Type | Motor | Transmissie | Inhoud |
| 5.2 FSI quattro | benzine | tiptronic 6 | 5.2 liter |
| 5.2 FSI quattro Advance | benzine | tiptronic 6 | 5.2 liter |
| 5.2 FSI quattro Pro Line | benzine | tiptronic 6 | 5.2 liter |
| Type | Motor | Transmissie | Inhoud |
| 5.2 FSI quattro | benzine | tiptronic 6 | 5.2 liter |
| 5.2 FSI quattro Pro Line | benzine | tiptronic 6 | 5.2 liter |
| Type | Motor | Transmissie | Inhoud |
| quattro | benzine | tiptronic 5 | 4.2 liter |
| quattro Advance | benzine | tiptronic 5 | 4.2 liter |
| quattro Pro Line | benzine | tiptronic 5 | 4.2 liter |
| Type | Motor | Transmissie | Inhoud |
| quattro | benzine | handm. 6 | 2.2 liter |
| 4.2 quattro | benzine | handm. 6 | 4.2 liter |
| quattro | benzine | automaat 4 | 2.2 liter |
| 4.2 quattro | benzine | automaat 4 | 4.2 liter |