Fuel tank: 4 of 4 variants rated.
Opel Monterey RS 3.2i 24V tops the Opel Monterey ranking by Fuel tank, at 85 L (22.5 gal US).
| # | Variant | Year | Body | Fuel | Fuel tank |
|---|---|---|---|---|---|
| 1 | Opel Monterey RS 3.2i 24V+1 | 1992 | SUV | Petrol | 85 L (22.5 gal US) |
| 2 | Opel Monterey RS 3.1 TD | 1992 | SUV | Diesel | 85 L (22.5 gal US) |
| 3 | Opel Monterey LTD 3.2i 24V+1 | 1992 | SUV | Petrol | 85 L (22.5 gal US) |
| 4 | Opel Monterey LTD 3.1 TD | 1992 | SUV | Diesel | 85 L (22.5 gal US) |