| A6 C4 Avant (4A5) 1.9 TDI | Diesel | 66kW / 90PS | Frontantrieb | 1896ccm | Suchen |
| A6 C4 Avant (4A5) 2.5 TDI | Diesel | 103kW / 140PS | Frontantrieb | 2461ccm | Suchen |
| A6 C4 Avant (4A5) 2.0 | Benzin | 74kW / 100PS | Frontantrieb | 1984ccm | Suchen |
| A6 C4 Avant (4A5) 2.0 | Benzin | 85kW / 115PS | Frontantrieb | 1984ccm | Suchen |
| A6 C4 Avant (4A5) 2.0 16V | Benzin | 103kW / 140PS | Frontantrieb | 1984ccm | Suchen |
| A6 C4 Avant (4A5) 2.6 | Benzin | 110kW / 150PS | Frontantrieb | 2598ccm | Suchen |
| A6 C4 Avant (4A5) 2.8 | Benzin | 128kW / 174PS | Frontantrieb | 2771ccm | Suchen |
| A6 C4 Avant (4A5) 2.5 TDI | Diesel | 85kW / 116PS | Frontantrieb | 2461ccm | Suchen |
| A6 C4 Avant (4A5) 2.0 16V quattro | Benzin | 103kW / 140PS | Allrad | 1984ccm | Suchen |
| A6 C4 Avant (4A5) S6 4.2 quattro | Benzin | 213kW / 290PS | Allrad | 4172ccm | Suchen |
| A6 C4 Avant (4A5) 2.8 quattro | Benzin | 128kW / 174PS | Allrad | 2771ccm | Suchen |
| A6 C4 Avant (4A5) S6 Turbo quattro | Benzin | 169kW / 230PS | Allrad | 2226ccm | Suchen |
| A6 C4 Avant (4A5) 2.5 TDI quattro | Diesel | 103kW / 140PS | Allrad | 2461ccm | Suchen |
| A6 C4 Avant (4A5) 1.8 | Benzin | 92kW / 125PS | Frontantrieb | 1781ccm | Suchen |
| A6 C4 Avant (4A5) 1.8 quattro | Benzin | 92kW / 125PS | Allrad | 1781ccm | Suchen |
| A6 C4 Avant (4A5) 2.8 | Benzin | 142kW / 193PS | Frontantrieb | 2771ccm | Suchen |
| A6 C4 Avant (4A5) 2.8 quattro | Benzin | 142kW / 193PS | Allrad | 2771ccm | Suchen |
| A6 C4 Avant (4A5) S6 Plus quattro | Benzin | 240kW / 326PS | Allrad | 4172ccm | Suchen |
| A6 C4 Avant (4A5) 2.3 | Benzin | 98kW / 133PS | Frontantrieb | 2309ccm | Suchen |
| A6 C4 Avant (4A5) 2.3 quattro | Benzin | 98kW / 133PS | Allrad | 2309ccm | Suchen |
| A6 C4 Avant (4A5) 2.6 quattro | Benzin | 110kW / 150PS | Allrad | 2598ccm | Suchen |
| A6 C4 Avant (4A5) 2.0 | Benzin | 79kW / 107PS | Frontantrieb | 1984ccm | Suchen |
| A6 C4 Avant (4A5) 2.8 | Benzin | 120kW / 163PS | Frontantrieb | 2771ccm | Suchen |