Real MPG: Subaru WRX STI (2014 - 2018)
Powerful and vocal boxer engine. Responsive handling with mountains of grip. Large and practical interior.
Running costs are huge. The attention-seeking exterior won't be for everyone. Cabin feels cheap and dated.
Select engine for more Real MPG information:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 2.5 | 25.9–27.2 mpg | - | 26.5 mpg | 100% |
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Subaru WRX STI (2014 - 2018)
Powerful and vocal boxer engine. Responsive handling with mountains of grip. Large and practical interior.
Rivals
| Subaru WRX STI (2014 - 2018) | 26.5 | avg mpg |
| Audi S3 (2013 - 2020) | 31.2 | avg mpg |
| Audi S1 (2014 - 2018) | 32.2 | avg mpg |
| Volkswagen Golf GTI (2013 - 2020) | 35.3 | avg mpg |
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