Checked oil specs by engine
2011 Subaru Outback oil capacity, type & filter
The 2011 Subaru Outback oil capacity is 4.4 qt (2.5L 4-Cyl) and 6.9 qt (3.6L 6-Cyl). All engines use 5W-30 oil.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 2.5L 4-Cyl | 4.4 qt | 5W-30 | AMSOIL EA15K12 |
| 3.6L 6-Cyl | 6.9 qt | 5W-30 | AMSOIL EA15K20 |
Match one of 2 checked engine options before buying oil or a filter.
AMSOIL EA15K12 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
AMSOIL EA15K20 is copied into the checkout checklist below. Other listed filters are source-backed alternatives.
Search paths only — confirm your OEM viscosity spec and quantity before checkout.
2011 Subaru Outback oil specs: capacity conditions and filter notes
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.
All listed filter part numbers are compatible alternatives for your vehicle. Choose any one brand, then confirm the exact part number at checkout.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2011 Subaru Outback
Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).
Supported by Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager).
Supported by RockAuto, Purolator Part Finder, and AMSOIL Lookup.
5 checked source rows for the 2011 Subaru Outback.
Before ordering for this 2011 Subaru Outback
- Capacity
- 4.4 qt
- Oil type
- 5W-30
- Interval
- 3,750 mi / 4 mo
- Filter
- AMSOIL EA15K12
- Capacity
- 6.9 qt
- Oil type
- 5W-30
- Filter
- AMSOIL EA15K20
Source check: Last checked 2026-06-23 from Pennzoil OATS, AMSOIL Lookup, Purolator Part Finder, RockAuto, and Castrol (Olyslager).
Subaru Outback oil specs by year
This table includes checked Subaru Outback model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 | 4.8 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2024 | 4.8 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2023 | 4.8 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2022 | 4.8 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2021 | 4.8 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2020 | 4.8 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2019 | 5.1 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2018 | 5.1 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2017 | 5.1 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2016 | 5.1 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2015 | 5.1 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2014 | 5.1 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2013 | 5.1 qt (multiple engines) | 0W-20 | AMSOIL EA15K13 |
| 2012 | 4.5 qt (multiple engines) | 5W-30 | AMSOIL EA15K12 |
| 2011 Current page | 4.4 qt (multiple engines) | 5W-30 | AMSOIL EA15K12 |
| 2010 | 4.4 qt (multiple engines) | 5W-30 | AMSOIL EA15K12 |
| 2009 | 5.8 qt (multiple engines) | 30 | AMSOIL EA15K20 |
| 2008 | 6 qt (multiple engines) | 10W-30 | AMSOIL EA15K20 |
| 2007 | 5.8 qt (multiple engines) | 5W-30 | AMSOIL EA15K20 |
| 2006 | 4.4 qt (multiple engines) | 10W-30 | AMSOIL EA15K12 |
| 2005 | 4.2 qt (multiple engines) | 5W-30 | AMSOIL EA15K12 |
How we verified 2011 Subaru Outback oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-23.
This page checked 5 sources for the 2011 Subaru Outback. 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
- Verified fit
- Sources checked
- 5
- Last checked
- 2026-06-23
- Capacity: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
- Oil type: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
- Filter: RockAuto, Purolator Part Finder, and AMSOIL Lookup
- Change interval: Pennzoil OATS, AMSOIL Lookup, and Castrol (Olyslager)
| Source | Supports | Checked | Link |
|---|---|---|---|
| Pennzoil OATS | Capacity, Oil type | 2026-06-23 | Visit brand site |
| AMSOIL Lookup | Capacity, Oil type, Filter | 2026-06-23 | Visit brand site |
| Purolator Part Finder | Filter | 2026-06-23 | Visit brand site |
| RockAuto | Filter | 2026-06-23 | Checked source |
| Castrol (Olyslager) | Capacity, Oil type | 2026-06-23 | Visit brand site |
2011 Subaru Outback maintenance checklist
One part checked. Look up the rest while you're here.
Where to buy
These are retailer search paths for your vehicle's oil and filter specs. Verify final fitment at checkout.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare oil and filter listings for the 2011 Subaru Outback. Confirm capacity, viscosity, and filter part number before checkout.
Search 2011 Subaru Outback oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2011 Subaru Outback before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2011 Subaru Outback oil & filter →Amazon
Search Amazon listings for the 2011 Subaru Outback and check listing fitment notes against the specs above.
Search 2011 Subaru Outback oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2011 Subaru Outback and verify oil capacity, viscosity, and filter part number before ordering.
Search 2011 Subaru Outback oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.