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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Subaru Wrx StiTransmission Fluid Type & Capacity
OEM transmission fluid spec from the factory service manual for the 2019-2021 (2019-2021).
Quick Answer
Transmission Fluid
13.10 QTS. (12.39 L) — SUBARU High Torque CVT Fluid
4.30 QTS. (4.06 L) — API - GL-5, SAE 75W-90
Source: Factory service manual — 2021 Subaru Wrx Sti 2019-2021.
This vehicle's factory manual
The spec is above. This opens the 2021 Subaru factory books so you can go into the Wrx Sti procedure.
What You'll Need
Related for Your 2021 Subaru Wrx Sti
Frequently Asked Questions
- What transmission fluid does a 2021 Subaru Wrx Sti use?
- The 2021 Subaru Wrx Sti uses 13.10 QTS. (12.39 L) — SUBARU High Torque CVT Fluid, 4.30 QTS. (4.06 L) — API - GL-5, SAE 75W-90.
- How much transmission fluid does a 2021 Subaru Wrx Sti take?
- Refer to the factory service manual for the exact transmission fluid capacity.
- When should I change the transmission fluid in my 2021 Subaru Wrx Sti?
- Most manufacturers recommend transmission fluid changes every 30,000–60,000 miles for automatics. Check your factory service manual for the exact interval.