Subaru WRX coolant capacity
Total cooling-system coolant capacity for the Subaru WRX, by generation and engine, in quarts and liters.
| Engine | Capacity | Liters |
|---|---|---|
| 2.0T | 8.9 qt | 8.4 L |
| STI 2.5T | 8.1 qt | 7.7 L |
| Engine | Capacity | Liters |
|---|---|---|
| Impreza 2.5T WRX STI | 8.8 qt | 8.3 L |
| Impreza 2.5T WRX | 8.6 qt | 8.1 L |
Capacity is the full cold-fill for the whole system. Top up to the marked level and use the coolant type specified in your owner's manual. Source.