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2008 Subaru Forester oil capacity, type & filter

The 2008 Subaru Forester takes 4.2 qt of 5W-30 oil.

Applies to checked engine: 2.5L 4-Cyl Turbo.

Capacity 4.2 qt i Based on 4 checked sources: AMSOIL Lookup, Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager). Additional cross-check is still pending: capacity condition (service fill / with filter vs dry fill). Use it as a reference, then confirm the service-fill / with-filter amount before adding oil. See how we verify. Learn how we verify fitment
Oil type 5W-30 OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout. Verified fit
Oil Filters Options cross-checked
AMSOIL Shown first EA15K12 Search EA15K12 AMSOIL EA15K01 Search EA15K01 AMSOIL EA15K02 Search EA15K02 AMSOIL EA15K03 Search EA15K03 PRO-TEC PXL57712 Search PXL57712 Purolator L14615 Search L14615 K&N HP-1008 Search HP-1008

AMSOIL EA15K12 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.

7 sources checkedLast checked: 2026-06-25How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →

2008 Subaru Forester oil specs: capacity conditions and filter notes

Filter part numbers

All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.

Verify before checkout

Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.

Source coverage for the 2008 Subaru Forester

Capacity sources

Supported by AMSOIL Lookup, Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager).

Oil type sources

Supported by Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager).

Filter sources

Supported by AMSOIL Lookup, RockAuto, Purolator Part Finder, and K&N Filters.

Source coverage

7 checked source rows for the 2008 Subaru Forester.

Before ordering for this 2008 Subaru Forester

Checkout verification checklist
2.5L 4-Cyl Turbo
Capacity
4.2 qt
Oil type
5W-30
Filter
AMSOIL EA15K12

Source check: Last checked 2026-06-25 from AMSOIL Lookup, K&N Filters, Pennzoil OATS, RockAuto, Purolator Part Finder, Valvoline Product Finder, and Castrol (Olyslager).

Subaru Forester oil specs by year

This table includes checked Subaru Forester model years available in our database.

Year Capacity Oil type Filter
2024 4.4 qt 0W-20 AMSOIL EA15K13
2023 5.4 qt 0W-20 CHAMP / LUBER-FINER PH2867
2021 4.4 qt 0W-20 AMSOIL EA15K13
2020 4.4 qt 0W-20 AMSOIL EA15K13
2019 4.4 qt 0W-20 AMSOIL EA15K13
2018 5.4 qt (multiple engines) 5W-30 AMSOIL EA15K13
2017 5.4 qt (multiple engines) 5W-30 AMSOIL EA15K13
2016 5.4 qt (multiple engines) 5W-30 AMSOIL EA15K13
2015 5.4 qt (multiple engines) 5W-30 AMSOIL EA15K13
2014 5.4 qt (multiple engines) 5W-30 AMSOIL EA15K13
2013 5.5 qt 0W-20 Purolator L14615
2012 5.5 qt 0W-20 PRO-TEC PXL57055
2011 5.5 qt 0W-20 CHAMP / LUBER-FINER PH2876
2009 5.3 qt 5W-30 AMSOIL EA15K12
2008 Current page 4.2 qt 5W-30 AMSOIL EA15K12
2007 4.2 qt 5W-30 AMSOIL EA15K12
2006 4.2 qt 5W-30 AMSOIL EA15K12
2005 4.2 qt 5W-30 AMSOIL EA15K12

How we verified 2008 Subaru Forester oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-25.

This page checked 7 sources for the 2008 Subaru Forester. The table lists which checked source contributed capacity, oil type, or filter evidence.

We checked leading oil brands and aftermarket filter catalogs so you don't have to.

Confidence
Cross-check pending i Some oil fields are based on checked source data but still need stronger cross-check evidence. Review area: 2.5L 4-Cyl Turbo capacity. Use the listed values as references and confirm the exact engine before ordering or adding oil. See how we verify. Learn how we verify fitment
Sources checked
7
Last checked
2026-06-25
Field-level source support
  • Capacity: AMSOIL Lookup, Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager)
  • Oil type: Pennzoil OATS, Valvoline Product Finder, and Castrol (Olyslager)
  • Filter: AMSOIL Lookup, RockAuto, Purolator Part Finder, and K&N Filters
Source Supports Checked Link
AMSOIL Lookup Capacity, Filter 2026-06-25 Visit brand site
K&N Filters Filter 2026-06-25 Visit brand site
Pennzoil OATS Capacity, Oil type 2026-06-25 Visit brand site
RockAuto Filter 2026-06-25 Checked source
Purolator Part Finder Filter 2026-06-25 Visit brand site
Valvoline Product Finder Capacity, Oil type 2026-06-25 Checked source
Castrol (Olyslager) Capacity, Oil type 2026-06-25 Visit brand site

Where to buy

These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.

This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.

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