Subaru Crosstrek, GT (USA / CAN)

Brake fluid capacity & service interval

Subaru Crosstrek and GT models require brake fluid with a capacity range between min and max. Service intervals include 15000 miles or 15 months and 30000 miles or 30 months. The data covers 12 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
Crosstrek 2.5i (2020-2023)
  • Use: Normal
  • Between min and max.
  • Change 30000 miles/ 30 months
Crosstrek 2.5i (2020-2023)
  • Use: Severe
  • Between min and max.
  • Change 15000 miles/ 15 months
Crosstrek 2.0i (2019-2023)
  • Use: Normal
  • Between min and max.
  • Change 30000 miles/ 30 months
Crosstrek 2.0i (2019-2023)
  • Use: Severe
  • Between min and max.
  • Change 15000 miles/ 15 months
Crosstrek 2.0i Hybrid (2019-2020)
  • Use: Normal
  • Between min and max.
  • Change 30000 miles/ 30 months
Crosstrek 2.0i Hybrid (2019-2020)
  • Use: Severe
  • Between min and max.
  • Change 15000 miles/ 15 months
Crosstrek 2.0i Hybrid (2018-2019)
  • Use: Normal
  • Between min and max.
  • Change 30000 miles/ 30 months
Crosstrek 2.0i Hybrid (2018-2019)
  • Use: Severe
  • Between min and max.
  • Change 15000 miles/ 15 months
Crosstrek 2.0i (2017-2019)
  • Use: Normal
  • Between min and max.
  • Change 30000 miles/ 30 months
Crosstrek 2.0i (2017-2019)
  • Use: Severe
  • Between min and max.
  • Change 15000 miles/ 15 months
Crosstrek 2.0i (2015-2017)
  • Use: Normal
  • Between min and max.
  • Change 30000 miles/ 30 months
Crosstrek 2.0i (2015-2017)
  • Use: Severe
  • Between min and max.
  • Change 15000 miles/ 15 months

Additional Notes

  • Across all Subaru Crosstrek configurations covered in these specifications, brake fluid capacity is expressed as a level range rather than a fixed volume. The fill target is between the minimum and maximum marks on the reservoir, which is standard practice for hydraulic brake systems where the fluid level naturally drops slightly as brake pads wear.
  • The normal-use change interval for the hydraulic brake system is 30,000 miles or 30 months across all engine variants and model year ranges listed. The time-based component of the interval means fluid replacement can be due before the mileage threshold is reached, whichever comes first.
  • Under severe-use conditions, the change interval is halved to 15,000 miles or 15 months across every configuration in the specifications. Brake fluid is hygroscopic, meaning it absorbs moisture over time, which lowers its boiling point. More frequent changes under severe use address the accelerated degradation that comes with harder or more frequent braking demands.
  • The 2.0i engine appears across three distinct model year groupings: 2015-2017, 2017-2019, and 2019-2023. Despite spanning different generations of the Crosstrek platform, the brake fluid service intervals remain identical across all three ranges under both normal and severe conditions.
  • The Crosstrek 2.0i Hybrid is listed in two overlapping year groupings, 2018-2019 and 2019-2020, with the same 30,000-mile/30-month normal interval and 15,000-mile/15-month severe interval as the non-hybrid 2.0i variants. The hybrid powertrain, which incorporates regenerative braking, does not alter the specified hydraulic brake fluid service schedule in these specifications.
  • The 2.5i engine variant, covering 2020-2023, carries the same brake fluid service intervals as the 2.0i and 2.0i Hybrid configurations. The larger displacement engine does not correspond to any difference in the hydraulic brake system maintenance schedule as listed.

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