Fuel tank: 29 of 29 variants rated.
Opel Senator 2.6i tops the Opel Senator ranking by Fuel tank, at 75 L (19.8 gal US).
Across 29 ranked variants, Fuel tank spans from 75 L (19.8 gal US) to 75 L (19.8 gal US).
| # | Variant | Year | Body | Fuel | Fuel tank |
|---|---|---|---|---|---|
| 1 | Opel Senator 2.6i+1 | 1990 | Sedan | Petrol | 75 L (19.8 gal US) |
| 2 | Opel Senator 3.0i 24V+1 | 1989 | Sedan | Petrol | 75 L (19.8 gal US) |
| 3 | Opel Senator 3.0i 24V CD | 1989 | Sedan | Petrol | 75 L (19.8 gal US) |
| 4 | Opel Senator 3.0i+1 | 1988 | Sedan | Petrol | 75 L (19.8 gal US) |
| 5 | Opel Senator 3.0i CD | 1988 | Sedan | Petrol | 75 L (19.8 gal US) |
| 6 | Opel Senator 2.5i+1 | 1987 | Sedan | Petrol | 75 L (19.8 gal US) |
| 7 | Opel Senator 3.0i+3 | 1987 | Sedan | Petrol | 75 L (19.8 gal US) |
| 8 | Opel Senator 3.0i CD+1 | 1987 | Sedan | Petrol | 75 L (19.8 gal US) |
| 9 | Opel Senator 2.2i | 1984 | Sedan | Petrol | 75 L (19.8 gal US) |
| 10 | Opel Senator 3.0i | 1984 | Sedan | Petrol | 75 L (19.8 gal US) |
| 11 | Opel Senator 2.3 TD | 1984 | Sedan | Diesel | 75 L (19.8 gal US) |
| 12 | Opel Senator 2.3 TD Touring | 1984 | Sedan | Diesel | 75 L (19.8 gal US) |
| 13 | Opel Senator 2.3 TD Comfort | 1984 | Sedan | Diesel | 75 L (19.8 gal US) |
| 14 | Opel Senator 2.0 E | 1983 | Sedan | Petrol | 75 L (19.8 gal US) |
| 15 | Opel Senator 2.5i | 1983 | Sedan | Petrol | 75 L (19.8 gal US) |
| 16 | Opel Senator 2.5i Touring | 1983 | Sedan | Petrol | 75 L (19.8 gal US) |
| 17 | Opel Senator 2.5i Comfort | 1983 | Sedan | Petrol | 75 L (19.8 gal US) |
| 18 | Opel Senator 3.0i Touring | 1983 | Sedan | Petrol | 75 L (19.8 gal US) |
| 19 | Opel Senator 3.0i Sport | 1983 | Sedan | Petrol | 75 L (19.8 gal US) |
| 20 | Opel Senator 3.0i Comfort | 1983 | Sedan | Petrol | 75 L (19.8 gal US) |
| 21 | Opel Senator 3.0i CD | 1983 | Sedan | Petrol | 75 L (19.8 gal US) |
| 22 | Opel Senator 2.5 E | 1981 | Sedan | Petrol | 75 L (19.8 gal US) |
| 23 | Opel Senator 2.5 E S | 1981 | Sedan | Petrol | 75 L (19.8 gal US) |
| 24 | Opel Senator 2.5 E SC | 1981 | Sedan | Petrol | 75 L (19.8 gal US) |
| 25 | Opel Senator 3.0 S SC | 1981 | Sedan | Petrol | 75 L (19.8 gal US) |
| 26 | Opel Senator 2.8 S | 1978 | Sedan | Petrol | 75 L (19.8 gal US) |
| 27 | Opel Senator 2.8 S S | 1978 | Sedan | Petrol | 75 L (19.8 gal US) |
| 28 | Opel Senator 3.0 E SC | 1978 | Sedan | Petrol | 75 L (19.8 gal US) |
| 29 | Opel Senator 3.0 E CD | 1978 | Sedan | Petrol | 75 L (19.8 gal US) |