Subaru Legacy
Data verified by Nick Marchenko, PhD
Maintaining the engine oil in your Subaru Legacy is crucial for ensuring optimal performance and longevity. The Subaru Legacy, produced from 1999 to 2022, offers a variety of engine options, including the EJ253, EJ255 Turbo, EZ30D, EZ36D, FA24D, and FB25B. Depending on the engine, oil capacities range from 4.2 quarts for the earlier EJ253 models to 6.9 quarts for the later EZ36D engines. It's essential to use the correct viscosity, such as 5W-30 for most models or 0W-20 for newer engines, to maintain engine efficiency.
In addition to oil capacity, coolant volume is also an important factor in engine maintenance. For example, the EJ253 engine has a coolant capacity of 5.8 to 7.5 quarts, while the EZ36D can hold up to 7.4 quarts. Regular oil changes, typically every 5,000 to 7,500 miles, depending on driving conditions and oil type, will help keep your Subaru Legacy running smoothly and efficiently.
Subaru Legacy Oil Capacity
| Engine | Oil Capacity | Viscosity | Coolant | Years |
|---|---|---|---|---|
| EJ253 EJ EJ25 The EJ253 engine has a displacement of 2.5L H-4. The power output is 162 hp with a torque of 167 lb-ft. | 4.2 qt | 5W-30 | 5.8 qt | 2002, 2001, 2000, 1999 |
| EJ253 EJ EJ25 The EJ253 engine has a displacement of 2.5L H-4. The power output is 162 hp with a torque of 167 lb-ft. | 4.4 qt | 5W-30 | 6.8 qt | 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005 |
| EJ253 EJ EJ25 The EJ253 engine has a displacement of 2.5L H-4. The power output is 162 hp with a torque of 167 lb-ft. | 4.4 qt | 5W-30 | 7.5 qt | 2004, 2003 |
| EJ255 Turbo EJ EJ25 The EJ255 Turbo engine has a displacement of 2.5L H-4. The power output is 240 hp. | 4.4 qt | 5W-30 | 7.7 qt | 2009, 2008, 2007, 2006, 2005 |
| EJ255 Turbo EJ EJ25 The EJ255 Turbo engine has a displacement of 2.5L H-4. The power output is 240 hp. | 4.5 qt | 5W-30 | 6.9 qt | 2012, 2011, 2010 |
| EZ30D Subaru Six-Cylinder Engines EZ The EZ30D engine has a displacement of 3.0L H-6. The power output is 217 hp with a torque of 213 lb-ft. | 5.8 qt | 10W-40 | 7.6 qt | 2009, 2008 |
| EZ36D Subaru Six-Cylinder Engines EZ The EZ36D engine has a displacement of 3.6L H-6. The power output is 256 hp with a torque of 258 lb-ft. | 6.7 qt | 5W-30 | 6.9 qt | 2015, 2014, 2013, 2012, 2011, 2010 |
| EZ36D Subaru Six-Cylinder Engines EZ The EZ36D engine has a displacement of 3.6L H-6. The power output is 256 hp with a torque of 258 lb-ft. | 6.9 qt | 5W-30 | 7.4 qt | 2019, 2018, 2017, 2016 |
| FA24D FA FA24 The FA24D engine has a displacement of 2.4L H-4. The power output is 230 hp with a torque of 185 lb-ft. | 4.8 qt | 0W-20 | 9.2 qt | 2022, 2021, 2020 |
| FB25B Subaru Four-Cylinder Engines FB The FB25B engine has a displacement of 2.5L H-4. | 5.1 qt | 0W-20 | 8.0 qt | 2015, 2014, 2013 |
| FB25B Subaru Four-Cylinder Engines FB The FB25B engine has a displacement of 2.5L H-4. | 5.1 qt | 0W-20 | 8.2 qt | 2019, 2018, 2017, 2016 |
| FB25D Subaru Four-Cylinder Engines FB The FB25D engine has a displacement of 2.5L H-4. | 4.4 qt | 0W-20 | 9.5 qt | 2022, 2021, 2020 |
Subaru Legacy – Frequently Asked Questions
How many quarts of oil does the Subaru Legacy take?
The Subaru Legacy oil capacity varies by engine: EJ253: 4.2 qt; EJ253: 4.4 qt; EJ253: 4.4 qt; EJ255 Turbo: 4.4 qt; EJ255 Turbo: 4.5 qt; EZ30D: 5.8 qt; EZ36D: 6.7 qt; EZ36D: 6.9 qt; FA24D: 4.8 qt; FB25B: 5.1 qt; FB25B: 5.1 qt; FB25D: 4.4 qt. Always confirm the exact capacity for your specific engine before an oil change.
What type of oil does the Subaru Legacy use?
Oil viscosity depends on the engine: EJ253, EJ253, EJ253, EJ255 Turbo, EJ255 Turbo, EZ36D, EZ36D: 5W-30; EZ30D: 10W-40; FA24D, FB25B, FB25B, FB25D: 0W-20. Check your owner's manual for the correct spec for your specific engine.
What is the coolant capacity of the Subaru Legacy?
The coolant capacity for the Subaru Legacy varies by engine: EJ253: 5.8 qt; EJ253: 6.8 qt; EJ253: 7.5 qt; EJ255 Turbo: 7.7 qt; EJ255 Turbo: 6.9 qt; EZ30D: 7.6 qt; EZ36D: 6.9 qt; EZ36D: 7.4 qt; FA24D: 9.2 qt; FB25B: 8.0 qt; FB25B: 8.2 qt; FB25D: 9.5 qt. Use the coolant specification listed in the owner's manual for your engine variant.
What type of oil does the Subaru Legacy use?
The Subaru Legacy typically uses 5W-30 viscosity oil for most of its engines, such as the EJ253 and EJ255 Turbo. Newer models with engines like the FA24D and FB25B often require 0W-20 oil for optimal performance.
How many quarts of oil does the Subaru Legacy take?
The oil capacity for the Subaru Legacy varies by engine type. For instance, the EJ253 engines from 1999 to 2004 require 4.2 to 4.4 quarts, while the EZ36D engine can hold up to 6.9 quarts.
How often should I change oil in a Subaru Legacy?
It's generally recommended to change the oil in your Subaru Legacy every 5,000 to 7,500 miles, depending on driving conditions and the type of oil used. Always refer to your owner's manual for specific intervals.
What is the coolant capacity of the Subaru Legacy?
Coolant capacity in the Subaru Legacy varies by engine. For example, the EJ253 engine has a coolant capacity ranging from 5.8 to 7.5 quarts, while the EZ36D engine can hold up to 7.4 quarts.
Does the Subaru Legacy need synthetic oil?
While synthetic oil is not strictly necessary, it is recommended for newer models, especially those with engines like the FA24D and FB25B, as it offers better protection and performance.
What happens if I use the wrong oil viscosity in my Subaru Legacy?
Using the wrong oil viscosity can lead to inadequate lubrication, increased engine wear, and potentially overheating. It's crucial to use the recommended viscosity for your specific engine.
What is an oil life monitor and how does it work?
An oil life monitor is a system that tracks engine conditions and driving habits to estimate when an oil change is needed. It uses various sensors to determine oil quality and can help you maintain optimal engine health.
Can I mix synthetic and conventional oil?
While it's technically possible to mix synthetic and conventional oils, it's not recommended. Mixing can reduce the effectiveness of the oil and may lead to engine issues.
How do I know if my Subaru Legacy has an oil leak?
Signs of an oil leak include oil spots under the vehicle, a burning oil smell, or a drop in oil levels on the dipstick. Regularly checking your oil level can help identify leaks early.
What causes excessive oil consumption?
Excessive oil consumption can be caused by worn engine components, such as piston rings or valve seals, or by using the wrong oil viscosity. Regular maintenance can help mitigate these issues.
Should I check my oil when the engine is hot or cold?
It's best to check your oil when the engine is warm but not hot. This allows the oil to circulate and provide an accurate reading on the dipstick.
What is the difference between an oil change and a flush?
An oil change involves draining the old oil and replacing it with new oil, while an oil flush is a process that cleans the engine's internals by circulating a cleaning solution before the oil change. Flushing is generally not necessary for most vehicles.