CO₂ emissions: 7 of 7 variants rated.
Subaru WRX STI 2.5T Sport tops the Subaru WRX ranking by CO₂ emissions, at 243 g/km.
Across 7 ranked variants, CO₂ emissions spans from 242 g/km to 243 g/km.
| # | Variant | Year | Body | Fuel | CO₂ emissions |
|---|---|---|---|---|---|
| 1 | Subaru WRX STI 2.5T Sport | 2010 | Hatchback | Petrol | 243 g/km |
| 2 | Subaru WRX STI 2.5T Sport Executive | 2010 | Hatchback | Petrol | 243 g/km |
| 3 | Subaru WRX STI 2.5T Sport | 2010 | Sedan | Petrol | 243 g/km |
| 4 | Subaru WRX STI 2.5T Sport Executive | 2010 | Sedan | Petrol | 243 g/km |
| 5 | Subaru WRX STI 2.5T Sport Premium | 2015 | Sedan | Petrol | 242 g/km |
| 6 | Subaru WRX STI 2.5T Sport | 2014 | Sedan | Petrol | 242 g/km |
| 7 | Subaru WRX STI 2.5T Sport Executive | 2014 | Sedan | Petrol | 242 g/km |