7 variantes sur 7 ont des données fuel tank.
| Variante | Année | Carrosserie | Carburant | Fuel tank |
|---|---|---|---|---|
| Subaru WRX STI 2.5T Sport Premium | 2015 | Berline | Essence | 60 L |
| Subaru WRX STI 2.5T Sport | 2014 | Berline | Essence | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2014 | Berline | Essence | 60 L |
| Subaru WRX STI 2.5T Sport | 2010 | Compacte | Essence | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Compacte | Essence | 60 L |
| Subaru WRX STI 2.5T Sport | 2010 | Berline | Essence | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Berline | Essence | 60 L |