2018 Subaru Forester Oil Type & Capacity

The 2018 Subaru Forester oil type depends on the engine: the 2.0XT Premium takes 5W-30 (5.4 quarts with filter); the 2.0XT Touring takes 5W-30 (5.4 quarts with filter); the 2.5i Limited takes 0W-20 (5.1 quarts with filter); the 2.5i Premium, Automatic CVT Trans takes 0W-20 (5.1 quarts with filter); the 2.5i Premium, Standard Trans takes 0W-20 (5.1 quarts with filter); the 2.5i Touring takes 0W-20 (5.1 quarts with filter); the 2.5i, Automatic CVT Trans takes 0W-20 (5.1 quarts with filter); the 2.5i, Standard Trans takes 0W-20 (5.1 quarts with filter), per the factory service manual.

Factory-spec answer

It depends on the engine:

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
2.0XT Premium — 2.0L EngILSAC GF-4 or GF-5, API - SN or SM, 5W-30 Synthetic Oil5.40 QTS.5.20 QTS.
2.0XT Touring — 2.0L EngILSAC GF-4 or GF-5, API - SN or SM, 5W-30 Synthetic Oil5.40 QTS.5.20 QTS.
2.5i Limited — 2.5L EngILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil5.10 QTS.4.90 QTS.
2.5i Premium, Automatic CVT Trans — 2.5L EngILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil5.10 QTS.4.90 QTS.
2.5i Premium, Standard Trans — 2.5L EngILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil5.10 QTS.4.90 QTS.
2.5i Touring — 2.5L EngILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil5.10 QTS.4.90 QTS.
2.5i, Automatic CVT Trans — 2.5L EngILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil5.10 QTS.4.90 QTS.
2.5i, Standard Trans — 2.5L EngILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil5.10 QTS.4.90 QTS.

Buy the right oil

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More specs & repair guides for your Forester

2018 Subaru Forester factory service manualAll fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner site AllOEMManuals.com.

Coolant capacity

9.5 quarts (8.99 L) — SUBARU Super Coolant

Frequently asked questions

What type of oil does a 2018 Subaru Forester take?

It depends on the engine: 2.0XT Premium uses 5W-30; 2.0XT Touring uses 5W-30; 2.5i Limited uses 0W-20; 2.5i Premium, Automatic CVT Trans uses 0W-20; 2.5i Premium, Standard Trans uses 0W-20; 2.5i Touring uses 0W-20; 2.5i, Automatic CVT Trans uses 0W-20; 2.5i, Standard Trans uses 0W-20.

How much oil does a 2018 Subaru Forester take?

Capacity depends on the engine: 2.0XT Premium holds 5.4 quarts with filter; 2.0XT Touring holds 5.4 quarts with filter; 2.5i Limited holds 5.1 quarts with filter; 2.5i Premium, Automatic CVT Trans holds 5.1 quarts with filter; 2.5i Premium, Standard Trans holds 5.1 quarts with filter; 2.5i Touring holds 5.1 quarts with filter; 2.5i, Automatic CVT Trans holds 5.1 quarts with filter; 2.5i, Standard Trans holds 5.1 quarts with filter.

Can I use synthetic oil in my 2018 Subaru Forester?

Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2018 Subaru Forester. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Subaru Forester years

2025 Forester2024 Forester2023 Forester2022 Forester2021 Forester2020 Forester2019 Forester2017 Forester2016 Forester2015 Forester2014 Forester2013 Forester2012 Forester2011 Forester2010 Forester2009 Forester2008 Forester2007 Forester2006 Forester2005 Forester2004 Forester2003 Forester2002 Forester2001 Forester2000 Forester1999 Forester1998 Forester

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