The engine range is quite big, consisting of: 1.8, 2.0, 2.2, and 2.4 L 4-cylinder and 2.5, 2.6, 3.0, 3.2, 3.6, 4.0, and 5.7 L 6-cylinder petrol and 2.0, 2.2, and 2.3 L 4-cylinder and 2.5 6-cylinder diesel engines.
All variants of Opel Omega feature rear wheel drive.
The final production year of Opel Omega is 2003.