Subaru WRX, GR, GV (EU)
Differential fluid capacity & service interval
Subaru WRX, GR, GV (EU) differential fluid capacity ranges from 0,8 to 1,5 liters. Service intervals include checking every 30000 km or 24 months and changing every 60000 km or 48 months. The data covers 3 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
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Additional Notes
- The rear differential on the Subaru WRX (Impreza 2.5T) carries a fixed capacity of 0.8 liter, which is a relatively compact fill volume consistent with a standard rear differential housing rather than a larger transaxle or transfer case unit.
- The WRX STI rear differential capacity is listed as a range of 0.8 to 1 liter, indicating that the actual fill volume can vary depending on the specific unit fitted across the 2011-2014 production span.
- The STI differential noted as "from automatic" carries a notably wider capacity range of 1.3 to 1.5 liters, the largest of the three configurations listed, reflecting a physically larger differential assembly compared to the rear unit on the same model.
- Across all three configurations, the check interval is set at 30,000 km or 24 months under normal use conditions, meaning fluid level and condition are to be inspected at that point before the full change interval is reached.
- The change interval for all three configurations is 60,000 km or 48 months under normal use, placing the drain-and-refill cycle at exactly double the check interval in both distance and time terms.
- The time-based intervals of 24 months for checks and 48 months for changes apply regardless of mileage accumulation, meaning low-mileage vehicles still follow the calendar-based schedule under normal use conditions.