| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Audi A6 3.2 FSI Quattro Automatic | 2004 | 188 kW | 3123 ccm | 245 km/h | 7.1 s |
| Audi A6 4.2 | 2004 | 224 kW | 4179 ccm | - | - |
| Audi A6 4.2 Quattro | 2004 | 221 kW | 4172 ccm | 250 km/h | 6.9 s |
| Audi A6 Allroad | 2004 | 184 kW | 2671 ccm | - | - |
| Audi A6 Avant | 2004 | 165 kW | 2983 ccm | - | - |
| Audi A6 Avant 1.8 T | 2004 | 111 kW | 1781 ccm | 209 km/h | 9.9 s |
| Audi A6 Avant 1.9 TDI | 2004 | 96 kW | 1896 ccm | 201 km/h | 10.7 s |
| Audi A6 Avant 2.0 | 2004 | 96 kW | 1984 ccm | 203 km/h | 10.7 s |
| Audi A6 Avant 2.4 | 2004 | 126 kW | 2494 ccm | 222 km/h | 9.5 s |
| Audi A6 Avant 2.4 Multitronic | 2004 | 135 kW | 2496 ccm | 221 km/h | 9.5 s |
| Audi A6 Avant 2.4 Quattro | 2004 | 126 kW | 2494 ccm | 223 km/h | 9.4 s |
| Audi A6 Avant 2.5 TDI Quattro | 2004 | 133 kW | 2393 ccm | 221 km/h | 9.1 s |
| Audi A6 Avant 2.7 T Quattro | 2004 | 185 kW | 2671 ccm | 246 km/h | 7 s |
| Audi A6 Avant 2.7 TDI | 2004 | 133 kW | 2698 ccm | 225 km/h | 8.3 s |
| Audi A6 Avant 3.0 TDI Quattro | 2004 | 165 kW | 2967 ccm | 235 km/h | 7.3 s |
| Audi A6 Avant 3.2 FSI Quattro | 2004 | 184 kW | 2976 ccm | 250 km/h | 7 s |
| Audi A8 | 2004 | 162 kW | 2976 ccm | - | - |
| Audi A8 3.0 | 2004 | 162 kW | 2975 ccm | 245 km/h | 7.9 s |
| Audi A8 3.0 L | 2004 | 165 kW | 2976 ccm | 242 km/h | 8.3 s |
| Audi A8 3.0 TDI Quattro | 2004 | 172 kW | 2966 ccm | - | 7.8 s |
