Where is this data from?

Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.

Why do fluid capacities vary by generation for the Subaru Legacy?

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.

🧪Fluid Capacities

Subaru Legacy Fluid Capacities

Factory manual fluid capacities for the Subaru Legacy. Exact capacities and specs extracted from the LEMON service manual archive.

Last updated: 2026-10-31 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2023-2024 Subaru Legacy: 2.37 OZS. (0.07 L) — ND-OIL12

Generation	Years	Top spec
2023-2024	2023-2024	2.37 OZS. (0.07 L) — ND-OIL12
2022	2022	2.37 OZS. (0.07 L) — ND-OIL12
2020-2021	2020-2021	1.00 LBS. (0.45 KG) — HFO-1234yf

Structured Spec Sheet // Subaru Legacy Fluid Capacities

Quick Answer:2023-2024 Subaru Legacy: 2.37 OZS. (0.07 L) — ND-OIL12

Air Cond Compressor Oil (2023-2024):2.37 OZS. (0.07 L) — ND-OIL12

Air Cond Refrigerant (2023-2024):1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5 L Eng) (2023-2024):11.90 QTS. (11.26 L) Note: Consult your SUBARU dealer for fluid type.

Brake Fluid (2023-2024):— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil (2.5 L Eng) (2023-2024):0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil

Engine Coolant (2.5 L Eng) (2023-2024):9.50 QTS. (8.99 L) — SUBARU Super Coolant Note: Approximate capacity.

Engine Oil (2.5 L Eng) (2023-2024):4.40 QTS. (4.16 L) — ILSAC GF-5 or GF-6A, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Manual Transmission Fluid (2023-2024):3.50 QTS. (3.31 L) — SUBARU Extra MT Note: The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Windshield Washer Fluid (2023-2024):— Windshield Washer Fluid

Automatic Transmission Fluid (2.4 L Eng) (2023-2024):12.30 QTS. (11.64 L) Note: Consult your SUBARU dealer for fluid type.

Differential Gear Oil (2.4 L Eng) (2023-2024):0.80 QTS. (0.75 L) — SUBARU Extra MT or API - GL-5, SAE 75W-90 gear oil Note: Using API GL-5 SAE 75W-90 oil will detract from fuel efficiency.

Engine Coolant (2.4 L Eng) (2023-2024):9.20 QTS. (8.7 L) — SUBARU Super Coolant Note: Approximate capacity.

Engine Oil (2.4 L Eng) (2023-2024):4.80 QTS. (4.54 L) — ILSAC GF-5 or GF-6A, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Air Cond Compressor Oil (2022):2.37 OZS. (0.07 L) — ND-OIL12

Air Cond Refrigerant (2022):1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5 L Eng) (2022):11.90 QTS. (11.26 L)

Brake Fluid (2022):— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil (2022):0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil

Engine Coolant (2.5 L Eng) (2022):9.50 QTS. (8.99 L) — SUBARU Super Coolant

Engine Oil (2.5 L Eng) (2022):4.40 QTS. (4.16 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Manual Transmission Fluid (2022):3.50 QTS. (3.31 L) — SUBARU Extra MT Note: The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Windshield Washer Fluid (2022):— Windshield Washer Fluid

Automatic Transmission Fluid (2.4 L Eng) (2022):12.30 QTS. (11.64 L)

Engine Coolant (2.4 L Eng) (2022):9.20 QTS. (8.7 L) — SUBARU Super Coolant

Engine Oil (2.4 L Eng) (2022):4.80 QTS. (4.54 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Air Cond Refrigerant (2020-2021):1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5 L Eng) (2020-2021):11.90 QTS. (11.26 L)

Brake Fluid (2020-2021):— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil (2020-2021):0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil

Engine Coolant (2.5 L Eng) (2020-2021):9.50 QTS. (8.99 L) — SUBARU Super Coolant

Engine Oil (2.5 L Eng) (2020-2021):4.40 QTS. (4.16 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Manual Transmission Fluid (2020-2021):3.50 QTS. (3.31 L) — SUBARU Extra MT Note: The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Windshield Washer Fluid (2020-2021):— Windshield Washer Fluid

Automatic Transmission Fluid (2.4 L Eng) (2020-2021):12.30 QTS. (11.64 L)

Engine Coolant (2.4 L Eng) (2020-2021):9.20 QTS. (8.7 L) — SUBARU Super Coolant

Engine Oil (2.4 L Eng) (2020-2021):4.80 QTS. (4.54 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Air Cond Refrigerant (2019):1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5 L Eng) (2019):— SUBARU CVT Oil for Lineartronic II Note: Fluid Capacity is between: 11.60 - 12.10 qts.

Brake Fluid (2019):— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Engine Coolant (2.5 L Eng) (2019):8.20 QTS. (7.76 L) — SUBARU Super Coolant

Engine Oil (2.5 L Eng) (2019):4.90 QTS. (4.63 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Manual Transmission Fluid (2019):3.50 QTS. (3.31 L) — SUBARU Extra MT Note: The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Windshield Washer Fluid (2019):— Windshield Washer Fluid

Automatic Transmission Fluid (3.6 L Eng) (2019):— SUBARU High Torque CVT Fluid Note: Fluid Capacity is between: 13.20 - 13.70 qts.

Differential Gear Oil (3.6 L Eng) (2019):— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.40 - 1.60 qts.

Engine Coolant (3.6 L Eng) (2019):7.40 QTS. (7 L) — SUBARU Super Coolant

Engine Oil (3.6 L Eng) (2019):6.70 QTS. (6.34 L) — ILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil Note: Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

Air Cond Refrigerant (2017-2018):1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5 L Eng) (2017-2018):— SUBARU CVT Oil for Lineartronic Note: Fluid Capacity is between: 11.60 - 12.10 qts.

Brake Fluid (2017-2018):— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Engine Coolant (2.5 L Eng) (2017-2018):8.20 QTS. (7.76 L) — SUBARU Super Coolant

Engine Oil (2.5 L Eng) (2017-2018):4.90 QTS. (4.63 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Manual Transmission Fluid (2017-2018):3.50 QTS. (3.31 L) — SUBARU Extra MT Note: The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Windshield Washer Fluid (2017-2018):— Windshield Washer Fluid

Automatic Transmission Fluid (3.6 L Eng) (2017-2018):— SUBARU High Torque CVT Fluid Note: Fluid Capacity is between: 13.20 - 13.70 qts.

Differential Gear Oil (3.6 L Eng) (2017-2018):— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.40 - 1.60 qts.

Engine Coolant (3.6 L Eng) (2017-2018):7.40 QTS. (7 L) — SUBARU Super Coolant

Engine Oil (3.6 L Eng) (2017-2018):6.70 QTS. (6.34 L) — ILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil Note: Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

Air Cond Compressor Oil (2016):— DENSO Oil 8

Air Cond Refrigerant (2016):1.00 LBS. (0.45 KG) — HFC-134a

Automatic Transmission Fluid (2.5 L Eng) (2016):— SUBARU CVT Oil for Lineartronic Note: Fluid Capacity is between: 11.60 - 12.10 qts.

Brake Fluid (2016):— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Engine Coolant (2.5 L Eng) (2016):8.20 QTS. (7.76 L) — SUBARU Super Coolant

Engine Oil (2.5 L Eng) (2016):4.90 QTS. (4.63 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Manual Transmission Fluid (2016):3.50 QTS. (3.31 L) — SUBARU Extra MT Note: The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Windshield Washer Fluid (2016):— Windshield Washer Fluid

Automatic Transmission Fluid (3.6 L Eng) (2016):— SUBARU High Torque CVT Fluid Note: Fluid Capacity is between: 13.20 - 13.70 qts.

Differential Gear Oil (3.6 L Eng) (2016):— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.40 - 1.60 qts.

Engine Coolant (3.6 L Eng) (2016):7.40 QTS. (7 L) — SUBARU Super Coolant

Engine Oil (3.6 L Eng) (2016):6.70 QTS. (6.34 L) — ILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil Note: Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

Air Cond Compressor Oil (2015):— DENSO Oil 8

Air Cond Refrigerant (2015):1.00 LBS. (0.45 KG) — HFC-134a

Automatic Transmission Fluid (2.5 L Eng) (2015):— SUBARU CVT Oil for Lineartronic Note: Fluid Capacity is between: 11.60 - 12.10 qts.

Brake Fluid (2015):— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil (2.5 L Eng) (2015):— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.20 - 1.30 qts.

Engine Coolant (2.5 L Eng) (2015):8.20 QTS. (7.76 L) — SUBARU Super Coolant

Engine Oil (2.5 L Eng) (2015):4.90 QTS. (4.63 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Manual Transmission Fluid (2015):3.50 QTS. (3.31 L) — SUBARU Extra MT Note: The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Windshield Washer Fluid (2015):— Windshield Washer Fluid

Automatic Transmission Fluid (3.6 L Eng) (2015):— SUBARU High Torque CVT Fluid Note: Fluid Capacity is between: 13.20 - 13.70 qts.

Differential Gear Oil (3.6 L Eng) (2015):— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.40 - 1.60 qts.

Engine Coolant (3.6 L Eng) (2015):7.40 QTS. (7 L) — SUBARU Super Coolant

Engine Oil (3.6 L Eng) (2015):6.70 QTS. (6.34 L) — ILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil Note: Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

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Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your Subaru Legacy

2023-2024 Subaru Legacy: 2.37 OZS. (0.07 L) — ND-OIL12

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 2023 factory manual Different engine or trim

Open the factory manual above to confirm the exact engine before ordering parts.

2023-2024

2023-2024Open 2023 manual

Air Cond Compressor Oil2.37 OZS. (0.07 L) — ND-OIL12

Air Cond Refrigerant1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5L Eng)11.90 QTS. (11.26 L) Note: Consult your SUBARU dealer for fluid type.

Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil (2.5L Eng)0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil

Engine Coolant (2.5L Eng)9.50 QTS. (8.99 L) — SUBARU Super Coolant Note: Approximate capacity.

Engine Oil (2.5L Eng)4.40 QTS. (4.16 L) — ILSAC GF-5 or GF-6A, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Manual Transmission Fluid3.50 QTS. (3.31 L) — SUBARU Extra MT Note: The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Windshield Washer Fluid— Windshield Washer Fluid

Automatic Transmission Fluid (2.4L Eng)12.30 QTS. (11.64 L) Note: Consult your SUBARU dealer for fluid type.

Differential Gear Oil (2.4L Eng)0.80 QTS. (0.75 L) — SUBARU Extra MT or API - GL-5, SAE 75W-90 gear oil Note: Using API GL-5 SAE 75W-90 oil will detract from fuel efficiency.

Engine Coolant (2.4L Eng)9.20 QTS. (8.7 L) — SUBARU Super Coolant Note: Approximate capacity.

Engine Oil (2.4L Eng)4.80 QTS. (4.54 L) — ILSAC GF-5 or GF-6A, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Notes

→Consult your SUBARU dealer for fluid type.
→The vehicle is filled at the factory with this type of differential gear oil: SUBARU Extra MT
→Approximate capacity.
→If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
→The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.
→Using API GL-5 SAE 75W-90 oil will detract from fuel efficiency.

Check Fitment on Amazon →Full Repair Guide →

2022

2022Open 2022 manual

Air Cond Compressor Oil2.37 OZS. (0.07 L) — ND-OIL12

Air Cond Refrigerant1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5L Eng)11.90 QTS. (11.26 L)

Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil

Engine Coolant (2.5L Eng)9.50 QTS. (8.99 L) — SUBARU Super Coolant

Engine Oil (2.5L Eng)4.40 QTS. (4.16 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Windshield Washer Fluid— Windshield Washer Fluid

Automatic Transmission Fluid (2.4L Eng)12.30 QTS. (11.64 L)

Engine Coolant (2.4L Eng)9.20 QTS. (8.7 L) — SUBARU Super Coolant

Engine Oil (2.4L Eng)4.80 QTS. (4.54 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Notes

→The vehicle is filled at the factory with this type of differential gear oil: SUBARU Extra MT
→If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
→The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Check Fitment on Amazon →Full Repair Guide →

2020-2021

2020-2021Open 2020 manual

Air Cond Refrigerant1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5L Eng)11.90 QTS. (11.26 L)

Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil0.80 QTS. (0.75 L) — API - GL-5, SAE 75W-90 gear oil

Engine Coolant (2.5L Eng)9.50 QTS. (8.99 L) — SUBARU Super Coolant

Windshield Washer Fluid— Windshield Washer Fluid

Automatic Transmission Fluid (2.4L Eng)12.30 QTS. (11.64 L)

Engine Coolant (2.4L Eng)9.20 QTS. (8.7 L) — SUBARU Super Coolant

Notes

→The vehicle is filled at the factory with this type of differential gear oil: SUBARU Extra MT
→If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
→The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.

Check Fitment on Amazon →Full Repair Guide →

2019

2019Open 2019 manual

Air Cond Refrigerant1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5L Eng)— SUBARU CVT Oil for Lineartronic II Note: Fluid Capacity is between: 11.60 - 12.10 qts.

Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Engine Coolant (2.5L Eng)8.20 QTS. (7.76 L) — SUBARU Super Coolant

Engine Oil (2.5L Eng)4.90 QTS. (4.63 L) — ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil Note: If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.

Windshield Washer Fluid— Windshield Washer Fluid

Automatic Transmission Fluid (3.6L Eng)— SUBARU High Torque CVT Fluid Note: Fluid Capacity is between: 13.20 - 13.70 qts.

Differential Gear Oil (3.6L Eng)— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.40 - 1.60 qts.

Engine Coolant (3.6L Eng)7.40 QTS. (7 L) — SUBARU Super Coolant

Engine Oil (3.6L Eng)6.70 QTS. (6.34 L) — ILSAC GF-4 or GF-5, API - SAE 5W-30 Conventional Motor Oil Note: Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

Notes

→Fluid Capacity is between: 11.60 - 12.10 qts.
→If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
→The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.
→Fluid Capacity is between: 13.20 - 13.70 qts.
→Fluid Capacity is between: 1.40 - 1.60 qts.
→Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

Check Fitment on Amazon →Full Repair Guide →

2017-2018

2017-2018Open 2017 manual

Air Cond Refrigerant1.00 LBS. (0.45 KG) — HFO-1234yf

Automatic Transmission Fluid (2.5L Eng)— SUBARU CVT Oil for Lineartronic Note: Fluid Capacity is between: 11.60 - 12.10 qts.

Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Engine Coolant (2.5L Eng)8.20 QTS. (7.76 L) — SUBARU Super Coolant

Windshield Washer Fluid— Windshield Washer Fluid

Automatic Transmission Fluid (3.6L Eng)— SUBARU High Torque CVT Fluid Note: Fluid Capacity is between: 13.20 - 13.70 qts.

Differential Gear Oil (3.6L Eng)— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.40 - 1.60 qts.

Engine Coolant (3.6L Eng)7.40 QTS. (7 L) — SUBARU Super Coolant

Notes

→Fluid Capacity is between: 11.60 - 12.10 qts.
→If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
→The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.
→Fluid Capacity is between: 13.20 - 13.70 qts.
→Fluid Capacity is between: 1.40 - 1.60 qts.
→Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

Check Fitment on Amazon →Full Repair Guide →

2016

2016Open 2016 manual

Air Cond Compressor Oil— DENSO Oil 8

Air Cond Refrigerant1.00 LBS. (0.45 KG) — HFC-134a

Automatic Transmission Fluid (2.5L Eng)— SUBARU CVT Oil for Lineartronic Note: Fluid Capacity is between: 11.60 - 12.10 qts.

Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Engine Coolant (2.5L Eng)8.20 QTS. (7.76 L) — SUBARU Super Coolant

Windshield Washer Fluid— Windshield Washer Fluid

Automatic Transmission Fluid (3.6L Eng)— SUBARU High Torque CVT Fluid Note: Fluid Capacity is between: 13.20 - 13.70 qts.

Differential Gear Oil (3.6L Eng)— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.40 - 1.60 qts.

Engine Coolant (3.6L Eng)7.40 QTS. (7 L) — SUBARU Super Coolant

Notes

→Fluid Capacity is between: 11.60 - 12.10 qts.
→If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
→The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.
→Fluid Capacity is between: 13.20 - 13.70 qts.
→Fluid Capacity is between: 1.40 - 1.60 qts.
→Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

Check Fitment on Amazon →Full Repair Guide →

2015

2015Open 2015 manual

Air Cond Compressor Oil— DENSO Oil 8

Air Cond Refrigerant1.00 LBS. (0.45 KG) — HFC-134a

Automatic Transmission Fluid (2.5L Eng)— SUBARU CVT Oil for Lineartronic Note: Fluid Capacity is between: 11.60 - 12.10 qts.

Brake Fluid— FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil (2.5L Eng)— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.20 - 1.30 qts.

Engine Coolant (2.5L Eng)8.20 QTS. (7.76 L) — SUBARU Super Coolant

Windshield Washer Fluid— Windshield Washer Fluid

Automatic Transmission Fluid (3.6L Eng)— SUBARU High Torque CVT Fluid Note: Fluid Capacity is between: 13.20 - 13.70 qts.

Differential Gear Oil (3.6L Eng)— API - GL-5, SAE 75W-90 gear oil Note: Fluid Capacity is between: 1.40 - 1.60 qts.

Engine Coolant (3.6L Eng)7.40 QTS. (7 L) — SUBARU Super Coolant

Notes

→Fluid Capacity is between: 11.60 - 12.10 qts.
→Fluid Capacity is between: 1.20 - 1.30 qts.
→If 0W-20 synthetic oil is not available 5W-30 or 5W-40 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
→The indicated oil/fluid quantity is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. After refilling with oil/fluid, the oil/fluid level should be checked.
→Fluid Capacity is between: 13.20 - 13.70 qts.
→Fluid Capacity is between: 1.40 - 1.60 qts.
→Your vehicle is designed to use 5W-30 conventional motor oil, however 5W-30 synthetic may be used for optimum engine performance. If you do choose to use synthetic oil, SUBARU recommends that you continue using synthetic for the life of your vehicle.

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Parts and supplies

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Subaru Legacy Fluid Service Kit

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Related supplies to consider

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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We earn a small commission if you buy through these links — at zero extra cost to you. These are search results, not verified vehicle-specific recommendations.

Fluids — Manual's Parts List

Everything for a full fluid service weekend.

Vehicle-Scoped Amazon Search

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

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1
Engine Oil
Match viscosity to your spec
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2
Coolant
Match color/chemistry — never mix types
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3
Long-Neck Funnel
Transmission and differential fill holes are recessed
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4
Fluid Extraction Pump
Remove old brake fluid from reservoir without mess
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5
Shop Rags
You will need more than you think
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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 Legacy so the job is ready when the parts arrive.

Frequently Asked Questions

Where is this data from?: Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.
What fluid capacities does a Subaru Legacy use?: 2023-2024 Subaru Legacy: 2.37 OZS. (0.07 L) — ND-OIL12
Why do fluid capacities vary by generation for the Subaru Legacy?: 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: 2026-10-31

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Subaru Legacy Fluid Capacities

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Parts and supplies

Subaru Legacy Fluid Service Kit

Long-Neck Funnel

Fluid Extraction Pump

Fluids — Manual's Parts List

One-Trip Shopping List

Fluid Extraction Pump

Clean Shop Rags

Multi-Purpose Funnel

Nitrile Gloves

Project Essentials

Frequently Asked Questions

Subaru Legacy Repair Guides

More Subaru Legacy Guides

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Author & Review