Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Audi A6 2.4 Quattro | 1996 | 124 kW | 2391 ccm | 220 km/h | 9.2 s |
| Audi A6 2.4 Saloon | 2006 | 131 kW | 2393 ccm | 231 km/h | 8.9 s |
| Audi A6 2.5 D | 2001 | 115 kW | 2496 ccm | - | - |
| Audi A6 2.5 D | 2000 | 132 kW | 2496 ccm | - | - |
| Audi A6 2.5 D | 1994 | 170 kW | 2461 ccm | - | - |
| Audi A6 2.5 D All Road | 2000 | 120 kW | 2496 ccm | - | - |
| Audi A6 2.5 TDI | 2002 | 120 kW | 2496 ccm | 222 km/h | 9.6 s |
| Audi A6 2.5 TDI | 2001 | 188 kW | 2496 ccm | 221 km/h | 9.2 s |
| Audi A6 2.5 TDI | 1997 | 112 kW | 2494 ccm | 218 km/h | - |
| Audi A6 2.5 TDI Allroad | 2005 | 133 kW | 2495 ccm | 205 km/h | 9.5 s |
| Audi A6 2.5 TDI Allroad Tiptronic | 2005 | 132 kW | 2496 ccm | 205 km/h | 10.2 s |
| Audi A6 2.5 TDI Avant Multitronic | 2005 | 120 kW | 2496 ccm | 210 km/h | 9.5 s |
| Audi A6 2.5 TDi CVT | 2002 | 120 kW | 2496 ccm | 217 km/h | 9.3 s |
| Audi A6 2.5 TDI Multitronic | 2008 | 120 kW | 2495 ccm | 217 km/h | 9.3 s |
| Audi A6 2.5 TDI Multitronic | 2005 | 121 kW | 2496 ccm | 217 km/h | 9.3 s |
| Audi A6 2.5 TDI Quattro | 2001 | 184 kW | 2494 ccm | 223 km/h | 8.9 s |
| Audi A6 2.6 | 1994 | 170 kW | 2598 ccm | - | - |
| Audi A6 2.7 | 2001 | 184 kW | 2671 ccm | - | 7 s |
| Audi A6 2.7 | 1997 | 170 kW | 2671 ccm | - | - |
| Audi A6 2.7 D | 2005 | 135 kW | 2669 ccm | 225 km/h | - |
