For most 2007 Forester models, the standard engine oil is 5W-30, and the typical capacity with a filter is about 4.8 quarts. Always verify the exact specification for your vehicle in the owner’s manual or on the under-hood placard, especially if you have a turbocharged model or operate in extreme climates.
The 2007 Forester lineup included two four-cylinder engines: the naturally aspirated 2.5-liter EJ253 and, in certain trims, a turbocharged 2.5-liter EJ255 (the XT). In general, Subaru recommended using 5W-30 engine oil for both configurations, with an oil capacity around 4.8 quarts (4.5–5 quarts range depending on engine variant and whether you’re changing only the oil or also the filter).
Oil requirements by engine configuration
2.5L naturally aspirated
The 2.5L NA engine typically calls for 5W-30 engine oil. The usual capacity is approximately 4.8 quarts with a filter. Synthetic oil is acceptable and can aid in cold starts and longer drain intervals, though conventional 5W-30 is also suitable if you prefer it. Climate and driving conditions may influence your choice of oil type.
2.5L turbocharged XT
The turbocharged 2.5XT engine generally follows the same viscosity recommendation of 5W-30. Oil capacity remains about 4.8 quarts with a filter. Given higher under-hood temperatures in turbocharged operation, some owners opt for synthetic 5W-30 for better heat tolerance and protection, but always confirm with the manual for your specific vehicle.
Oil options and climate considerations
- 5W-30 engine oil (conventional or synthetic) is the standard recommendation for most 2007 Forester engines.
- Oil capacity is about 4.8 quarts with a filter; expect roughly 4.5–5 quarts depending on exact engine variant and drain/fill method.
In practice, always follow the exact specification printed in your owner’s manual and on the under-hood label. If you drive in extreme heat, cold, or engage in severe operating conditions (toulled towing, frequent short trips), you may favor synthetic 5W-30 for added protection and easier cold starts. Periodic oil changes and using the correct filter are essential to maintain engine health.
Summary
The 2007 Subaru Forester generally takes 5W-30 engine oil, with an approximate capacity of 4.8 quarts (including the filter). This applies to both the naturally aspirated 2.5L and the turbocharged 2.5XT in most configurations. Always confirm exact requirements for your specific vehicle in the owner’s manual or on the engine placard, and consider climate and driving style when choosing conventional versus synthetic oil.


