2008 Subaru Outback Oil Type & Capacity
The 2008 Subaru Outback oil type depends on the engine: the Base, Automatic takes 5W-30 (4.4 quarts qt with filter); the Base, Standard takes 5W-30 (4.4 quarts qt with filter); the i, Automatic takes 5W-30 (4.4 quarts qt with filter); the i, Standard takes 5W-30 (4.4 quarts qt with filter); the L.L. Bean Edition takes 5W-30 (4.4 quarts qt with filter); the Limited, Automatic takes 5W-30 (4.4 quarts qt with filter); the Limited, Standard takes 5W-30 (4.4 quarts qt with filter); the R L.L. Bean Edition takes 5W-30 (6.0 quarts qt with filter); the XT Limited, Automatic takes 5W-30 (4.5 quarts qt with filter); the XT Limited, Standard takes 5W-30 (4.5 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, Automatic: 5W-30, 4.4 quarts with filter
- Base, Standard: 5W-30, 4.4 quarts with filter
- i, Automatic: 5W-30, 4.4 quarts with filter
- i, Standard: 5W-30, 4.4 quarts with filter
- L.L. Bean Edition: 5W-30, 4.4 quarts with filter
- Limited, Automatic: 5W-30, 4.4 quarts with filter
- Limited, Standard: 5W-30, 4.4 quarts with filter
- R L.L. Bean Edition: 5W-30, 6.0 quarts with filter
- XT Limited, Automatic: 5W-30, 4.5 quarts with filter
- XT Limited, Standard: 5W-30, 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic — 2.5L Eng,Normally Aspirated | API - SM or SL, SAE 5W-30 | 4.40 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| Base, Automatic — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| Base, Standard — 2.5L Eng,Normally Aspirated | API - SM or SL, SAE 5W-30 | 4.40 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| Base, Standard — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| i, Automatic — 2.5L Eng,Normally Aspirated | API - SM or SL, SAE 5W-30 | 4.40 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| i, Automatic — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| i, Standard — 2.5L Eng,Normally Aspirated | API - SM or SL, SAE 5W-30 | 4.40 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| i, Standard — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| L.L. Bean Edition — 2.5L Eng,Normally Aspirated | API - SM or SL, SAE 5W-30 | 4.40 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| L.L. Bean Edition — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| Limited, Automatic — 2.5L Eng,Normally Aspirated | API - SM or SL, SAE 5W-30 | 4.40 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| Limited, Automatic — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| Limited, Standard — 2.5L Eng,Normally Aspirated | API - SM or SL, SAE 5W-30 | 4.40 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| Limited, Standard — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| R L.L. Bean Edition — 3.0L Eng | API - SM or SL, SAE 5W-30 | 6.00 QTS. | 5.80 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| XT Limited, Automatic — 2.5L Eng,Turbocharger | API - SM or SL, SAE 5W-30 | 4.50 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| XT Limited, Automatic — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| XT Limited, Standard — 2.5L Eng,Turbocharger | API - SM or SL, SAE 5W-30 | 4.50 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| XT Limited, Standard — 2.5L Eng | API - SM or SL, SAE 5W-30 | — | 4.20 QTS. | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
More factory specs & repair guides for your Outback
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Coolant capacity
6.7 quarts (6.34 L) — SUBARU Coolant or equivalent: a 50/50 mixture of Ethylene-Glycol Coolant and soft water
Frequently asked questions
What type of oil does a 2008 Subaru Outback take?
It depends on the engine: Base, Automatic uses 5W-30; Base, Standard uses 5W-30; i, Automatic uses 5W-30; i, Standard uses 5W-30; L.L. Bean Edition uses 5W-30; Limited, Automatic uses 5W-30; Limited, Standard uses 5W-30; R L.L. Bean Edition uses 5W-30; XT Limited, Automatic uses 5W-30; XT Limited, Standard uses 5W-30.
What is the oil capacity of a 2008 Subaru Outback?
Oil capacity depends on the engine: Base, Automatic holds 4.4 quarts with filter; Base, Standard holds 4.4 quarts with filter; i, Automatic holds 4.4 quarts with filter; i, Standard holds 4.4 quarts with filter; L.L. Bean Edition holds 4.4 quarts with filter; Limited, Automatic holds 4.4 quarts with filter; Limited, Standard holds 4.4 quarts with filter; R L.L. Bean Edition holds 6.0 quarts with filter; XT Limited, Automatic holds 4.5 quarts with filter; XT Limited, Standard holds 4.5 quarts with filter.
How often should I change the oil in my 2008 Subaru Outback?
Most 2008 Subaru Outback owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Subaru recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2008 Subaru Outback?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2008 Subaru Outback. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.