2005 Subaru Legacy Oil Type & Capacity
The 2005 Subaru Legacy takes 5W-30 motor oil — 4.2 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.2 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| GT Limited, 4D Sedan, Automatic | API - SM or SL, SAE 5W-30 | 4.20 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| GT Limited, 4D Sedan, Standard | API - SM or SL, SAE 5W-30 | 4.20 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| GT Limited, 4D Wagon, Automatic | API - SM or SL, SAE 5W-30 | 4.20 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| GT Limited, 4D Wagon, Standard | API - SM or SL, SAE 5W-30 | 4.20 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| GT, 4D Sedan, Automatic | API - SM or SL, SAE 5W-30 | 4.20 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| GT, 4D Sedan, Standard | API - SM or SL, SAE 5W-30 | 4.20 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| GT, 4D Wagon, Automatic | API - SM or SL, SAE 5W-30 | 4.20 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
| GT, 4D Wagon, Standard | 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, 4D Sedan, Automatic | 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, 4D Sedan, Standard | 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, 4D Wagon, Automatic | 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, 4D Wagon, Standard | 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, 4D Sedan, Automatic | 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, 4D Sedan, Standard | 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, 4D Wagon, Automatic | 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, 4D Wagon, Standard | API - SM or SL, SAE 5W-30 | 4.20 QTS. | — | In hot weather oil of higher viscosity is required to properly lubricate the engine. |
Buy the right oil
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More specs & repair guides for your Legacy
2005 Subaru Legacy factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
7.6 quarts (7.19 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 2005 Subaru Legacy take?
The 2005 Subaru Legacy takes 5W-30 motor oil (API - SM or SL, SAE 5W-30), per the factory service manual.
How much oil does a 2005 Subaru Legacy take?
The 2005 Subaru Legacy holds 4.2 quarts with a filter change.
Can I use synthetic oil in my 2005 Subaru Legacy?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Subaru Legacy. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.