🧪Fluid Capacities

Subaru WRX STI Fluid Capacities

Factory fluid capacity for the Subaru WRX STI.

Last updated: 2026-10-29 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2019-2021 Subaru WRX STI: 3.55 OZS. (0.1 L) — DH-PR (ZXL200PG).

GenerationYearsTop spec
2019-20212019-20213.55 OZS. (0.1 L) — DH-PR (ZXL200PG)
201820183.55 OZS. (0.1 L) — DH-PR (ZXL200PG)
201720173.55 OZS. (0.1 L) — DH-PR (ZXL200PG)

This vehicle's factory manual

The spec is above. This opens the 2019 Subaru WRX STI factory book. Use another year if yours is older.

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2018 book2017 book2016 book2015 book

Subaru WRX STI maintenance schedule

Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your Subaru WRX STI

2019-2021 Subaru WRX STI: 3.55 OZS. (0.1 L) — DH-PR (ZXL200PG).

Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.

Exact Vehicle Check

The button opens the factory book for this vehicle. Use the engine picker only when your trim is not the one this page already matched.

Open the 2019 factory manualDifferent engine or trim
Open the factory manual above to confirm the exact engine before ordering parts.

2019-2021

2019-2021Open 2019 manual
Air Cond Compressor Oil3.55 OZS. (0.1 L) — DH-PR (ZXL200PG)
Air Cond Refrigerant1.05 LBS. (0.47 KG) — HFC-134a
Automatic Transmission Fluid13.10 QTS. (12.39 L) — SUBARU High Torque CVT Fluid
Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Clutch Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Differential Gear Oil (2.5L Eng)1.10 QTS. (1.04 L) — API - GL-5, SAE 75W-90 gear Oil
Engine Coolant (2.5L Eng)8.20 QTS. (7.76 L) — SUBARU Super Coolant
Engine Oil (2.5L Eng)4.20 QTS. (3.97 L) — API SN or SM, ILSAC GF-5 or GF-4 SAE 5W-30 Synthetic Oil Specified
Fuel Tank15.90 GALS. (60.18 L)
Manual Transmission Fluid (2.5L Eng)4.30 QTS. (4.06 L) — API - GL-5, SAE 75W-90
Power Steering Fluid0.70 QTS. (0.66 L) — SUBARU Automatic Transmission Fluid
Windshield Washer Fluid— Windshield Washer Fluid
Notes
  • →If 5W-30 synthetic oil is not available, 5W-40 conventional oil may be used if replenishment is needed but should be changed to 5W-30 synthetic oil at the next oil change.
Shop Exact Match on Amazon →Full Repair Guide →

2018

2018Open 2018 manual
Air Cond Compressor Oil3.55 OZS. (0.1 L) — DH-PR (ZXL200PG)
Air Cond Refrigerant1.05 LBS. (0.47 KG) — HFC-134a
Automatic Transmission Fluid13.10 QTS. (12.39 L) — SUBARU High Torque CVT Fluid
Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Clutch Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Differential Gear Oil (STI,STI Limited,STI Type RA)1.10 QTS. (1.04 L) — API - GL-5, SAE 75W-90 gear Oil
Engine Coolant (STI,STI Limited,STI Type RA)8.20 QTS. (7.76 L) — SUBARU Super Coolant
Engine Oil (STI,STI Limited,STI Type RA)4.20 QTS. (3.97 L) — API SN or SM, ILSAC GF-5 or GF-4 SAE 5W-30 Synthetic Oil Specified
Fuel Tank15.90 GALS. (60.18 L)
Manual Transmission Fluid (STI,STI Limited,STI Type RA)4.30 QTS. (4.06 L) — API - GL-5, SAE 75W-90
Power Steering Fluid0.70 QTS. (0.66 L) — SUBARU Automatic Transmission Fluid
Windshield Washer Fluid— Windshield Washer Fluid
Shop Exact Match on Amazon →Full Repair Guide →

2017

2017Open 2017 manual
Air Cond Compressor Oil3.55 OZS. (0.1 L) — DH-PR (ZXL200PG)
Air Cond Refrigerant1.05 LBS. (0.47 KG) — HFC-134a
Automatic Transmission Fluid13.10 QTS. (12.39 L) — SUBARU High Torque CVT Fluid
Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Clutch Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Differential Gear Oil (STI,STI Limited)1.10 QTS. (1.04 L) — API - GL-5, SAE 75W-90 gear Oil
Engine Coolant (STI,STI Limited)8.20 QTS. (7.76 L) — SUBARU Super Coolant
Engine Oil (STI,STI Limited)4.20 QTS. (3.97 L) — API SN or SM, ILSAC GF-5 or GF-4 SAE 5W-30 Synthetic Oil Specified
Fuel Tank15.90 GALS. (60.18 L)
Manual Transmission Fluid (STI,STI Limited)4.30 QTS. (4.06 L) — API - GL-5 SAE 75W-90
Power Steering Fluid (STI,STI Limited)0.70 QTS. (0.66 L) — SUBARU Automatic Transmission Fluid, DEXRON III ATF, IDEMITSU ATF HP
Windshield Washer Fluid— Windshield Washer Fluid
Notes
  • →If 5W-30 synthetic oil is not available, 5W-40 conventional oil may be used if replenishment is needed but should be changed to 5W-30 synthetic oil at the next oil change.
Shop Exact Match on Amazon →Full Repair Guide →

2016

2016Open 2016 manual
Air Cond Compressor Oil— PAG 100
Air Cond Refrigerant1.05 LBS. (0.47 KG) — HFC-134a
Automatic Transmission Fluid13.10 QTS. (12.39 L) — SUBARU High Torque CVT Fluid
Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Clutch Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Differential Gear Oil (STI,STI Limited,STI Series.HyperBlue)1.10 QTS. (1.04 L) — API - GL-5, SAE 75W-90 gear Oil
Engine Coolant (STI,STI Limited,STI Series.HyperBlue,Standard Trans)8.20 QTS. (7.76 L) — SUBARU Super Coolant
Engine Oil (STI,STI Limited,STI Series.HyperBlue)4.50 QTS. (4.25 L) — API SN or SM, ILSAC GF-5 or GF-4 SAE 5W-30 Synthetic Oil Specified
Fuel Tank15.90 GALS. (60.18 L)
Manual Transmission Fluid (STI,STI Limited,STI Series.HyperBlue)4.30 QTS. (4.06 L) — API - GL-5, SAE 75W-90 gear oil
Power Steering Fluid (STI,STI Limited)0.70 QTS. (0.66 L) — SUBARU Automatic Transmission Fluid
Windshield Washer Fluid— Windshield Washer Fluid
Notes
  • →See Underhood Decal.
Shop Exact Match on Amazon →Full Repair Guide →

2015

2015Open 2015 manual
Air Cond Compressor Oil— PAG 100
Air Cond Refrigerant1.05 LBS. (0.47 KG) — HFC-134a
Automatic Transmission Fluid— SUBARU High Torque CVT Oil for Lineartronic
Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Clutch Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid
Differential Gear Oil (STI,STI Limited)1.00 QTS. (0.94 L) — API - GL-5, SAE 75W-90 gear Oil
Engine Coolant (STI,STI Limited,Standard Trans)8.20 QTS. (7.76 L) — SUBARU Super Coolant
Engine Oil (STI,STI Limited)5.30 QTS. (5.01 L) — API SN or SM, ILSAC GF-5 or GF-4 SAE 5W-30 Synthetic Oil Specified
Fuel Tank15.90 GALS. (60.18 L)
Manual Transmission Fluid (STI,STI Limited,T/Case Mfr CD w/TY856)3.50 QTS. (3.31 L) — API - GL-5, SAE 75W-90 gear oil
Power Steering Fluid (STI,STI Limited)0.70 QTS. (0.66 L) — SUBARU Automatic Transmission Fluid
Windshield Washer Fluid— Windshield Washer Fluid
Notes
  • →See Underhood Decal.
Shop Exact Match on Amazon →Full Repair Guide →

Manual already checked Amazon for you

You came here for the exact spec. Now here is the exact part — plus the two things people always forget and have to run back to the store for.

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Subaru WRX STI Fluid Service Kit

Buy all the fluids your Subaru WRX STI needs in one cart.

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The 2 things people always forget

Long-Neck Funnel

Transmission and differential fill holes are recessed. A short funnel makes a mess.

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Fluid Extraction Pump

Removing old brake fluid from the reservoir without a pump contaminates the master cylinder.

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Fluids — Manual's Parts List

Everything for a full fluid service weekend.

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Opens Amazon with Subaru WRX STI prefilled so you can confirm fitment and avoid wrong parts.

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One-Trip Shopping List

Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.

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Fluid Extraction Pump

Cleanly remove old fluids from reservoirs.

🧹
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Clean Shop Rags

Lint-free rags for cleaning dipsticks and spills.

🌪️
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Multi-Purpose Funnel

Long-neck funnel for hard-to-reach fill points.

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Nitrile Gloves

Keep hands clean during multi-fluid maintenance.

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Project Essentials

Basic tool sets, gloves, and cleaning supplies for your Subaru WRX STI so the job is ready when the parts arrive.

Frequently Asked Questions

What fluid capacities does a Subaru WRX STI use?
2019-2021 Subaru WRX STI: 3.55 OZS. (0.1 L) — DH-PR (ZXL200PG).
Why do fluid capacities vary by generation for the Subaru WRX STI?
Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

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Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-10-29

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