Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Opel Signum 2.2 | 2007 | 115 kW | 2196 ccm | 211 km/h | 9.8 s |
| Opel Signum 2.2 | 2006 | 115 kW | 2198 ccm | 211 km/h | 9.8 s |
| Opel Signum 2.2 | 2003 | 108 kW | 2198 ccm | - | - |
| Opel Signum 2.2 D | 2003 | 87 kW | 2172 ccm | - | - |
| Opel Signum 2.2 Direct | 2002 | 115 kW | 2172 ccm | 206 km/h | 9.8 s |
| Opel Signum 2.2 Direct | 1999 | 115 kW | 2198 ccm | - | 9.8 s |
| Opel Signum 2.2 Direct Automatic | 2003 | 114 kW | 2171 ccm | 206 km/h | 11 s |
| Opel Signum 2.2 DTI | 2005 | 93 kW | 2171 ccm | 201 km/h | 11.2 s |
| Opel Signum 2.2 DTI | 2001 | 94 kW | 2171 ccm | 201 km/h | 11.2 s |
| Opel Signum 2.2 DTI | 2000 | 92 kW | 2172 ccm | - | 11.2 s |
| Opel Signum 2.2 DTI | 1999 | 92 kW | 2171 ccm | 201 km/h | 11.2 s |
| Opel Signum 3.0 CDTi | 2008 | 131 kW | 2957 ccm | 221 km/h | 9.4 s |
| Opel Signum 3.0 CDTi V6 | 2007 | 131 kW | 2958 ccm | 221 km/h | 9.7 s |
| Opel Signum 3.0 D | 2003 | 131 kW | 2958 ccm | - | - |
| Opel Signum 3.0 V6 CDTi | 2006 | 131 kW | 2958 ccm | 221 km/h | 9.4 s |
| Opel Signum 3.0 V6 CDTI | 2005 | 131 kW | 2958 ccm | 221 km/h | 9.4 s |
| Opel Signum 3.0 V6 CDTI | 2003 | 131 kW | 2958 ccm | 221 km/h | 9.4 s |
| Opel Signum 3.0 V6 CDTI | 2002 | 130 kW | 2957 ccm | 221 km/h | 9.4 s |
| Opel Signum 3.0 V6 CDTI | 2001 | 131 kW | 2958 ccm | 221 km/h | 9.4 s |
| Opel Signum 3.2 | 2008 | 156 kW | 3175 ccm | 237 km/h | 7.9 s |
