Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Subaru ImprezaOil Type & Capacity
OEM spec from the factory service manual for the Outback Sport, Automatic variant.
Quick Answer
Oil Type
API - SM or SL, SAE 5W-30
Capacity (w/ Filter)
4.20 QTS.
3.97 L
Variant
Outback Sport, Automatic
Note: In hot weather oil of higher viscosity is required to properly lubricate the engine.
You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.
Source: Factory service manual — 2005 Subaru Impreza Outback Sport, Automatic. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of oil does a 2005 Subaru Impreza take?
- The 2005 Subaru Impreza requires API - SM or SL, SAE 5W-30. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Outback Sport, Automatic configuration.
- How much oil does a 2005 Subaru Impreza need?
- The 2005 Subaru Impreza takes 4.20 QTS. (3.97 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2005 Subaru Impreza?
- Yes — synthetic oil that meets the API - SM or SL, SAE 5W-30 specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2005 Subaru Impreza?
- Using oil that does not meet the API - SM or SL, SAE 5W-30 specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.