Opel Omega fuel consumption
Of all Opel Omega modifications produced from 1989 to 2003 real fuel consumption according to user ratings is approximately 6% higher compared to advertised consumption. For petrol engines real consumption is in average 3% higher, but for diesel engines is approximately 10% higher. Starting from 1990 Opel Omega average difference between actual owner-reported fuel consumption and stated consumption was similar to average, at 1995 it was significantly higher than average, at 1998 difference became similar to average and finally at 2001 difference between owner-reported and advertised fuel economy became less than industry average. For more details, see the table below.
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | Diesel cars | ||
|---|---|---|---|---|
| All carmakers | Opel Omega | All carmakers | Opel Omega | |
| 1990 | +5% | +6% | +5% | - |
| Show all years | ||||
| 1991 | +5% | +5% | +4% | - |
| 1992 | +5% | +5% | +2% | - |
| 1993 | +5% | +5% | +3% | - |
| 1994 | +6% | +10% | +3% | +15% |
| 1995 | +5% | +11% | +2% | +15% |
| 1996 | +4% | +11% | +2% | +15% |
| 1997 | +3% | +9% | +3% | +14% |
| 1998 | +3% | insignificant | +4% | +13% |
| 1999 | +3% | insignificant | +5% | +9% |
| 2000 | +4% | insignificant | +5% | +6% |
| 2001 | +5% | insignificant | +6% | - |
| 2002 | +6% | insignificant | +7% | insignificant |
| 2003 | +6% | insignificant | +8% | insignificant |
Select Opel Omega generation
For detailed fuel economy data, including advertised versus real-world fuel consumption and consumption differences between different engines and transmissions.
Opel Omega 1999 - 2003 wagon fuel economy Opel Omega 1997 - 1999 sedan, wagon fuel economy Opel Omega 1994 - 1997 wagon fuel economy Opel Omega 1989 - 1994 sedan, wagon fuel economy
User-reported fuel consumption may not accurately represent all users' experiences due to variables such as driving conditions, driving style, technical condition of the vehicle, and other circumstances. Thus, it should not be relied upon as a representative indicator.