| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Audi A6 3.0 TDI Quatrro Tiptronic | 2006 | 165 kW | 2967 ccm | 243 km/h | 7.6 s |
| Audi A6 3.0 TDI Quattro | 2006 | 166 kW | 2966 ccm | 243 km/h | 7.3 s |
| Audi A6 3.2 | 2006 | 191 kW | 3130 ccm | - | - |
| Audi A6 3.2 FSI | 2006 | 189 kW | 3123 ccm | 250 km/h | 6.9 s |
| Audi A6 3.2 FSI Multitronic | 2006 | 189 kW | 0 ccm | 250 km/h | 6.9 s |
| Audi A6 3.2 FSI Quattro | 2006 | 189 kW | 3123 ccm | 250 km/h | 7.1 s |
| Audi A6 3.2 FSI Quattro Tiptronic | 2006 | 189 kW | 3123 ccm | - | 7.1 s |
| Audi A6 3.2 Tiptronic | 2006 | 191 kW | 3130 ccm | - | - |
| Audi A6 4.2 Quattro | 2006 | 221 kW | 4172 ccm | 250 km/h | 6.9 s |
| Audi A6 4.2 Quattro Tiptronic | 2006 | 246 kW | 4163 ccm | 245 km/h | 6.1 s |
| Audi A6 4.2 Tiptronic | 2006 | 251 kW | 4161 ccm | - | - |
| Audi A6 Avant 2.0 T FSI | 2006 | 126 kW | 1984 ccm | 223 km/h | 9 s |
| Audi A6 Avant 2.0 TDI | 2006 | 104 kW | 1968 ccm | 227 km/h | 8.4 s |
| Audi A6 Avant 2.4 | 2006 | 126 kW | 2393 ccm | 222 km/h | 9.5 s |
| Audi A6 Avant 2.4 Quattro | 2006 | 126 kW | 2392 ccm | 218 km/h | 9.6 s |
| Audi A6 Avant 2.7 TDI | 2006 | 133 kW | 2698 ccm | 225 km/h | 8.3 s |
| Audi A6 Avant 2.7 TDI Quattro | 2006 | 133 kW | 2698 ccm | 223 km/h | 9.1 s |
| Audi A6 Avant 3.2 FSI | 2006 | 188 kW | 3123 ccm | 250 km/h | 7.4 s |
| Audi A6 Avant 3.2 FSI Quattro | 2006 | 188 kW | 3123 ccm | 245 km/h | 7 s |
| Audi A6 Avant 3.2 FSI Quattro Tiptronic | 2006 | 256 kW | 3130 ccm | 209 km/h | 7.3 s |
