7 av 7 varianter har fuel tank-data.
| Variant | År | Karosseri | Drivstoff | Fuel tank |
|---|---|---|---|---|
| Subaru WRX STI 2.5T Sport Premium | 2015 | Sedan | Bensin | 60 L |
| Subaru WRX STI 2.5T Sport | 2014 | Sedan | Bensin | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2014 | Sedan | Bensin | 60 L |
| Subaru WRX STI 2.5T Sport | 2010 | Kombi-coupé | Bensin | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Kombi-coupé | Bensin | 60 L |
| Subaru WRX STI 2.5T Sport | 2010 | Sedan | Bensin | 60 L |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Sedan | Bensin | 60 L |