2021 Subaru Legacy Fluid Capacities

OEM fluid capacity chart from the factory service manual for the 2020-2021 (2020-2021).

Quick Answer

Automatic Transmission Fluid (2.5L Eng)

11.90 QTS. (11.26 L)

Brake Fluid

β€” FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid

Differential Gear Oil

0.80 QTS. (0.75 L) β€” API - GL-5, SAE 75W-90 gear oil

Engine Coolant (2.5L Eng)

9.50 QTS. (8.99 L) β€” SUBARU Super Coolant

Engine Oil (2.5L Eng)

4.40 QTS. (4.16 L) β€” 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

3.50 QTS. (3.31 L) β€” 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.

Automatic Transmission Fluid (2.4L Eng)

12.30 QTS. (11.64 L)

Engine Coolant (2.4L Eng)

9.20 QTS. (8.7 L) β€” SUBARU Super Coolant

Engine Oil (2.4L Eng)

4.80 QTS. (4.54 L) β€” 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

  • β†’The vehicle is filled at the factory with this type of differential gear oil: SUBARU Extra MT
  • β†’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.
  • β†’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.
Source: Factory service manual β€” 2021 Subaru Legacy 2020-2021.

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Related for Your 2021 Subaru Legacy

Frequently Asked Questions

What are the fluid capacities for a 2021 Subaru Legacy?
The 2021 Subaru Legacy fluid capacities are: Automatic Transmission Fluid (2.5L Eng): 11.90 QTS. (11.26 L), Brake Fluid: β€” FMVSS No. 116 DOT 3 or DOT 4 Brake Fluid, Differential Gear Oil: 0.80 QTS. (0.75 L) β€” API - GL-5, SAE 75W-90 gear oil, Engine Coolant (2.5L Eng): 9.50 QTS. (8.99 L) β€” SUBARU Super Coolant, Engine Oil (2.5L Eng): 4.40 QTS. (4.16 L) β€” 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: 3.50 QTS. (3.31 L) β€” 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., Automatic Transmission Fluid (2.4L Eng): 12.30 QTS. (11.64 L), Engine Coolant (2.4L Eng): 9.20 QTS. (8.7 L) β€” SUBARU Super Coolant, Engine Oil (2.4L Eng): 4.80 QTS. (4.54 L) β€” 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..
How much engine oil does a 2021 Subaru Legacy take?
The 2021 Subaru Legacy takes 0.80 QTS. (0.75 L) β€” API - GL-5, SAE 75W-90 gear oil.