| Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Audi A6 3.0 Quattro | 2008 | - | 2975 ccm | 241 km/h | 7.7 s |
| Audi A6 3.0 Quattro Tiptronic | 2008 | - | 2976 ccm | 241 km/h | 7.7 s |
| Audi A6 3.0 TDi Quattro | 2008 | 172 kW | 2965 ccm | 247 km/h | 6.1 s |
| Audi A6 3.0 TDi Quattro Tiptronic | 2008 | 172 kW | 2965 ccm | 243 km/h | 7.3 s |
| Audi A6 3.2 | 2008 | 191 kW | 3123 ccm | - | - |
| Audi A6 3.2 FSi | 2008 | 188 kW | 3122 ccm | 250 km/h | 6.9 s |
| Audi A6 3.2 FSi Multitronic | 2008 | 188 kW | 3123 ccm | 250 km/h | 6.9 s |
| Audi A6 3.2 FSi Quattro | 2008 | 188 kW | 3121 ccm | 250 km/h | 7.1 s |
| Audi A6 4.2 Quattro | 2008 | 221 kW | 4172 ccm | - | 6.9 s |
| Audi A6 4.2 Quattro Tiptronic | 2008 | 247 kW | 4163 ccm | 250 km/h | 6.1 s |
| Audi A6 Allroad 2.5 TDi Quattro | 2008 | 133 kW | 2496 ccm | 207 km/h | 9.5 s |
| Audi A6 Allroad 2.7 TDi | 2008 | 133 kW | 2698 ccm | 215 km/h | 9.6 s |
| Audi A6 Allroad 3.2 FSi | 2008 | 189 kW | 3123 ccm | 242 km/h | 7.2 s |
| Audi A6 Allroad 4.2 Quattro | 2008 | 221 kW | 4163 ccm | 240 km/h | 7.2 s |
| Audi A6 Avant 1.8 T | 2008 | 111 kW | 1780 ccm | 214 km/h | 9.9 s |
| Audi A6 Avant 1.8 T Quattro | 2008 | 111 kW | 1781 ccm | 207 km/h | 10 s |
| Audi A6 Avant 1.9 TDi | 2008 | 96 kW | 1894 ccm | 201 km/h | 10.7 s |
| Audi A6 Avant 2.0 | 2008 | 96 kW | 1984 ccm | 203 km/h | 10.7 s |
| Audi A6 Avant 2.0 T FSi | 2008 | 126 kW | 1983 ccm | 223 km/h | 8.7 s |
| Audi A6 Avant 2.0 TDi | 2008 | 103 kW | 1968 ccm | 227 km/h | 8.4 s |
