Fuel tank: 7 of 7 variants rated.
Subaru WRX STI 2.5T Sport Premium tops the Subaru WRX ranking by Fuel tank, at 60 L (15.9 gal US).
Across 7 ranked variants, Fuel tank spans from 60 L (15.9 gal US) to 60 L (15.9 gal US).
| # | Variant | Year | Body | Fuel | Fuel tank |
|---|---|---|---|---|---|
| 1 | Subaru WRX STI 2.5T Sport Premium | 2015 | Sedan | Petrol | 60 L (15.9 gal US) |
| 2 | Subaru WRX STI 2.5T Sport | 2014 | Sedan | Petrol | 60 L (15.9 gal US) |
| 3 | Subaru WRX STI 2.5T Sport Executive | 2014 | Sedan | Petrol | 60 L (15.9 gal US) |
| 4 | Subaru WRX STI 2.5T Sport | 2010 | Hatchback | Petrol | 60 L (15.9 gal US) |
| 5 | Subaru WRX STI 2.5T Sport Executive | 2010 | Hatchback | Petrol | 60 L (15.9 gal US) |
| 6 | Subaru WRX STI 2.5T Sport | 2010 | Sedan | Petrol | 60 L (15.9 gal US) |
| 7 | Subaru WRX STI 2.5T Sport Executive | 2010 | Sedan | Petrol | 60 L (15.9 gal US) |