| Opel Omega 3.0 | 2969cc 115KW 156HP C 30 LE | 1987 – 1987 |
| Opel Omega 2.3 TD | 2260cc 66KW 90HP 23 YDT | 1986 – 1988 |
| Opel Omega 2.3 TD Interc. | 2260cc 74KW 100HP 23 DTR | 1988 – 1994 |
| Opel Omega 2.4 i | 2410cc 92KW 125HP C 24 NE | 1988 – 1994 |
| Opel Omega 2.6 i | 2594cc 110KW 150HP C 26 NE | 1990 – 1994 |
| Opel Omega 3.0 | 2969cc 130KW 177HP 30 NE | 1987 – 1990 |
| Opel Omega 3.0 24V | 2969cc 147KW 200HP C 30 SEJ | 1989 – 1994 |
| Opel Omega 3.0 24V | 2969cc 150KW 204HP C 30 SE | 1989 – 1994 |
| Opel Omega 2.3 TD | 2260cc 66KW 90HP 23 YDT | 1986 – 1988 |
| Opel Omega 2.3 TD Interc. | 2260cc 74KW 100HP 23 DTR | 1988 – 1994 |
| Opel Omega 2.4 i | 2410cc 92KW 125HP C 24 NE | 1988 – 1994 |
| Opel Omega 2.6 i | 2594cc 110KW 150HP C 26 NE | 1990 – 1994 |
| Opel Omega 3.0 24V | 2969cc 147KW 200HP C 30 SEJ | 1989 – 1994 |
| Opel Omega 2.0 | 1998cc 85KW 116HP X 20 SE | 1994 – 1999 |
| Opel Omega 2.0 16V | 1998cc 100KW 136HP X 20 XEV | 1994 – 1999 |
| Opel Omega 2.5 V6 | 2498cc 125KW 170HP X 25 XE | 1994 – 2000 |
| Opel Omega 3.0 V6 | 2962cc 155KW 211HP X 30 XE | 1994 – 2001 |
| Opel Omega 2.5 TD | 2498cc 96KW 130HP 25 DT;U 25 DT;U 25 TD;X 25 DT;X 25 TD | 1994 – 2003 |
| Opel Omega 2.0 | 1998cc 85KW 116HP X 20 SE | 1994 – 1999 |
| Opel Omega 2.0 16V | 1998cc 100KW 136HP X 20 XEV | 1994 – 1999 |
| Opel Omega 2.5 V6 | 2498cc 125KW 170HP X 25 XE | 1994 – 2000 |
| Opel Omega 3.0 V6 | 2962cc 155KW 211HP X 30 XE | 1994 – 2001 |
| Opel Omega 3.0 Cat | 2969cc 130KW 177HP C 30 NE | 1988 – 1994 |
| Opel Omega 2.0 DTI 16V | 1995cc 74KW 101HP X 20 DTH | 1997 – 2000 |
| Opel Omega 2.0 DTI 16V | 1995cc 74KW 101HP X 20 DTH | 1997 – 2000 |
| Opel Omega 3.6 24V Lotus | 3638cc 277KW 377HP C 36 GET | 1990 – 1992 |
| Opel Omega 2.2 16V | 2198cc 106KW 144HP Y 22 XE;Z 22 XE | 1999 – 2003 |
| Opel Omega 3.0 | 2969cc 130KW 177HP 30 NE | 1987 – 1990 |
| Opel Omega 3.0 24V Evolution500 | 2969cc 169KW 230HP C 30 XEI | 1991 – 1992 |
| Opel Omega 2.6 V6 | 2597cc 132KW 180HP Y 26 SE | 2000 – 2003 |
| Opel Omega 2.6 V6 | 2597cc 132KW 180HP Y 26 SE | 2000 – 2003 |
| Opel Omega 3.2 V6 | 3175cc 160KW 218HP Y 32 SE | 2001 – 2003 |
| Opel Omega 2.5 DTi | 2498cc 110KW 150HP Y 25 DT;Y 25 TD | 2001 – 2003 |
| Opel Omega 2.5 DTi | 2498cc 110KW 150HP Y 25 DT;Y 25 TD | 2001 – 2003 |
| Opel Omega 2.0 | 1998cc 85KW 115HP 20 SE | 1994 – 2000 |
