| Opel Signum 2.0 DTI ECOTEC 100 hp/3120 rpm | |
| Opel Signum 1.8 i 16V ECOTEC 122 hp/6000 rpm | |
| Opel Signum 2.2 DTI ECOTEC 125 hp/3250 rpm | |
| Opel Signum 2.2 i 16V ECOTEC 155 hp/5600 rpm | |
| Opel Signum 2.0 i 16V Turbo ECOTEC 175 hp/5500 rpm | |
| Opel Signum 3.0 V6 CDTI 177 hp/4000 rpm | |
| Opel Signum 3.2 i V6 24V ECOTEC 211 hp/6200 rpm | |
| Opel Signum 1.8 i 16V 140 Hp | |
| Opel Signum 1.9 CDTI 120 Hp | |
| Opel Signum 1.9 CDTI 150 Hp | |
| Opel Signum 2.8 i V6 24V Turbo 230 Hp | |
| Opel Signum 2.8 i V6 24V Turbo S 250 Hp |