7 z 7 wariantów ma dane o top speed.
| Wariant | Rok | Nadwozie | Paliwo | Top speed |
|---|---|---|---|---|
| Subaru WRX STI 2.5T Sport Premium | 2015 | Sedan | Benzyna | 255 km/h |
| Subaru WRX STI 2.5T Sport | 2014 | Sedan | Benzyna | 255 km/h |
| Subaru WRX STI 2.5T Sport Executive | 2014 | Sedan | Benzyna | 255 km/h |
| Subaru WRX STI 2.5T Sport | 2010 | Hatchback | Benzyna | 250 km/h |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Hatchback | Benzyna | 250 km/h |
| Subaru WRX STI 2.5T Sport | 2010 | Sedan | Benzyna | 250 km/h |
| Subaru WRX STI 2.5T Sport Executive | 2010 | Sedan | Benzyna | 250 km/h |