Engines:
* 2.0 l 4-cylinder in-line petrol (115 hp)
* 2.5 l 6-cylinder V-shaped petrol (170 hp)
* 3.0 l 6-cylinder V-shaped petrol (211 hp)
* 2.2 L 4-cylinder in-line turbodiesel (125 hp)
* 2.5 l 6-cylinder V-shaped turbodiesel (150 hp)
Transmission:
* 4-speed automatic transmission (4L30E)
* 5-speed automatic transmission (5L40E)
Peculiarities:
* Models with the 2.0-liter engine used a 4-speed automatic transmission.
* Models with 2.5 L and 3.0 L engines used a 5-speed automatic transmission.
* The 4L30E automatic transmission was known for its reliability, while the 5L40E could have some shifting problems.
* Regular automatic transmission fluid and filter changes are recommended to ensure optimal performance.
* The automatic transmission in the Opel Omega had a “Winter” mode, which could be activated when driving on slippery surfaces.
* Some models were equipped with a Traction Control System (TCS) to help prevent wheel spin during acceleration.