7 z 7 wariantów ma dane o fuel tank.
| Wariant | Rok | Nadwozie | Paliwo | Fuel tank |
|---|---|---|---|---|
| Subaru WRX STI 2.5T Sport Premium | 2015 | Sedan | Benzyna | 60 L |
| Subaru WRX STI 2.5T Sport | 2014 | Sedan | Benzyna | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2014 | Sedan | Benzyna | 60 L |
| Subaru WRX STI 2.5T Sport | 2010 | Hatchback | Benzyna | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Hatchback | Benzyna | 60 L |
| Subaru WRX STI 2.5T Sport | 2010 | Sedan | Benzyna | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Sedan | Benzyna | 60 L |