7 din 7 variante au date despre fuel tank.
| Variantă | An | Caroserie | Combustibil | Fuel tank |
|---|---|---|---|---|
| Subaru WRX STI 2.5T Sport Premium | 2015 | Sedan | Benzină | 60 L |
| Subaru WRX STI 2.5T Sport | 2014 | Sedan | Benzină | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2014 | Sedan | Benzină | 60 L |
| Subaru WRX STI 2.5T Sport | 2010 | Hatchback | Benzină | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Hatchback | Benzină | 60 L |
| Subaru WRX STI 2.5T Sport | 2010 | Sedan | Benzină | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Sedan | Benzină | 60 L |