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2015 Subaru LegacyOil Type & Capacity
OEM spec from the factory service manual for the 2.5i variant.
Quick Answer
Oil Type
$ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil
Capacity (w/ Filter)
6.00 QTS.
5.67 L
Variant
2.5i
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.
This vehicle's factory manual
2015 Subaru Legacy: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Sister site: See this spec on WhatTypeOfOil.com — our quick oil type & capacity lookup for every vehicle.
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Frequently Asked Questions
- What type of oil does a 2015 Subaru Legacy take?
- The 2015 Subaru Legacy requires ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the 2.5i configuration.
- How much oil does a 2015 Subaru Legacy need?
- The 2015 Subaru Legacy takes 6.00 QTS. (5.67 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2015 Subaru Legacy?
- Yes — synthetic oil that meets the ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2015 Subaru Legacy?
- Using oil that does not meet the ILSAC GF-4 or GF-5, API - SAE 0W-20 Synthetic Engine Oil specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.