2023-2024 Subaru Legacy uses 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..

🔄Transmission Fluid

2023-2024 Subaru Legacy ATF: 11.90 QTS. (11.26 L) Note: Consult your SUBARU dealer for fluid type..

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