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Checked oil specs by engine

2008 Subaru Forester oil capacity, type & filter

Multiple engine options are listed for the 2008 Subaru Forester. Select your engine below before buying oil or a filter.

2008 Subaru Forester oil specs by engine
Engine Capacity Oil Type Filter
2.5L 4-Cyl Turbo 4.2 qt 5W-30 AMSOIL EA15K12
2.0L — 5W-30 —

Match one of 2 checked engine options before buying oil or a filter.

2.5L 4-Cyl Turbo
Capacity 4.2 qt i Based on 5 checked sources: AMSOIL Lookup, Pennzoil OATS, Valvoline Product Finder, CarAraC Engine Oil, and Castrol (Olyslager). Additional cross-check is still pending: additional evidence. 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 i Based on 4 checked sources: Pennzoil OATS, Valvoline Product Finder, CarAraC Engine Oil, and Castrol (Olyslager). Additional cross-check is still pending: agreement across all checked oil-type sources. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
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

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

2.0L
Capacity Not confirmed Confirm the service-fill amount for this engine before adding oil.
Oil type 5W-30 i Based on 1 checked source: CarAraC Engine Oil. Additional cross-check is still pending: a second checked oil-type source. Use it as a reference, then confirm the viscosity grade for this engine before checkout. See how we verify. Learn how we verify fitment OEM oil approval is not source-backed on this page; confirm the bottle or owner's manual before checkout.
Oil Filters
No checked filter listed Use a retailer fitment tool to confirm the exact part number before ordering.

7 sources checked Last checked: 2026-06-26 How we verify →

Where to Buy View Data Sources
Buy oil & filters:
Walmart → AutoZone → Amazon → O'Reilly →
Full synthetic options for 5W-30
Mobil 1 Extended Performance 5W-30 → Castrol Edge 5W-30 → Pennzoil Platinum 5W-30 →

Search paths only — confirm your OEM viscosity spec and quantity before checkout.

2008 Subaru Forester oil specs: capacity conditions and filter notes

Which engine applies?

Check the door jamb sticker, owner's manual, or displacement badge on the engine cover. Match it to the engine options listed above before buying oil or a filter.

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.

Capacity condition

With filter means the volume includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.

Filter status

Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.

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 Pennzoil OATS, AMSOIL Lookup, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil.

Oil type sources

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

Filter sources

Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.

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 Buy →
Capacity
4.2 qt (Service fill)
Oil type
5W-30
Interval
7,500 mi / 8 mo
Filter
AMSOIL EA15K12
2.0L Buy →
Capacity
Unverified
Oil type
5W-30
Filter
Unverified

Source check: Last checked 2026-06-26 from AMSOIL Lookup, Pennzoil OATS, RockAuto, Purolator Part Finder, Valvoline Product Finder, CarAraC Engine Oil, 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
2025 4.6 qt (multiple engines) 0W-16 WIX 51032
2024 4.4 qt 0W-20 AMSOIL EA15K13
2023 4.4 qt (multiple engines) 0W-20 PRO-TEC PXL57055
2022 4.4 qt (multiple engines) 0W-20 PRO-TEC PXL57055
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 4.4 qt (multiple engines) 5W-30 AMSOIL EA15K12
2008 Current page 4.2 qt (multiple engines) 5W-30 AMSOIL EA15K12
2007 4.2 qt (multiple engines) 5W-30 AMSOIL EA15K12
2006 4.2 qt (multiple engines) 5W-30 AMSOIL EA15K12
2005 4.2 qt (multiple engines) 5W-30 AMSOIL EA15K12

How we verified 2008 Subaru Forester oil data

How we verify fitment

Checked fitment data. Last checked: 2026-06-26.

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, 2.5L 4-Cyl Turbo oil type, and 2.0L oil type. 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
2026-06-26
Field-level source support
  • Capacity: Pennzoil OATS, AMSOIL Lookup, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
  • Oil type: Pennzoil OATS, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
  • Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
  • Change interval: Pennzoil OATS, Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
Source Supports Checked Link
AMSOIL Lookup Capacity, Filter 2026-06-26 Visit brand site
Pennzoil OATS Capacity, Oil type 2026-06-26 Visit brand site
RockAuto Filter 2026-06-26 Checked source
Purolator Part Finder Filter 2026-06-26 Visit brand site
Valvoline Product Finder Capacity, Oil type 2026-06-26 Checked source
CarAraC Engine Oil Capacity, Oil type 2026-06-26 Checked source
Castrol (Olyslager) Capacity, Oil type 2026-06-26 Visit brand site

2008 Subaru Forester maintenance checklist

One part checked. Look up the rest while you're here.

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.

Look up another vehicle

Find checked oil capacity, type, and filter data by exact year, make, and model.

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