Fuel tank: 10 of 10 variants rated.
Fiat 127 1050 tops the Fiat 127 ranking by Fuel tank, at 42 L (11.1 gal US).
Across 10 ranked variants, Fuel tank spans from 30 L (7.9 gal US) to 42 L (11.1 gal US).
| # | Variant | Year | Body | Fuel | Fuel tank |
|---|---|---|---|---|---|
| 1 | Fiat 127 1050 | 1983 | Hatchback | Petrol | 42 L (11.1 gal US) |
| 2 | Fiat 127 900 Special+1 | 1981 | Hatchback | Petrol | 30 L (7.9 gal US) |
| 3 | Fiat 127 900 Super | 1981 | Hatchback | Petrol | 30 L (7.9 gal US) |
| 4 | Fiat 127 1300 Sport | 1981 | Hatchback | Petrol | 30 L (7.9 gal US) |
| 5 | Fiat 127 900 L+1 | 1977 | Hatchback | Petrol | 30 L (7.9 gal US) |
| 6 | Fiat 127 900 Special+1 | 1977 | Hatchback | Petrol | 30 L (7.9 gal US) |
| 7 | Fiat 127 900 Super | 1977 | Hatchback | Petrol | 30 L (7.9 gal US) |
| 8 | Fiat 127 1050 L | 1977 | Hatchback | Petrol | 30 L (7.9 gal US) |
| 9 | Fiat 127 1050 CL | 1977 | Hatchback | Petrol | 30 L (7.9 gal US) |
| 10 | Fiat 127 1050 Sport | 1977 | Hatchback | Petrol | 30 L (7.9 gal US) |