Subaru Outback
Data verified by Nick Marchenko, PhD
Maintaining the right oil and coolant levels is crucial for the performance and longevity of your Subaru Outback. Depending on the engine option, which includes 12 variations from 2000 to 2022, oil capacities range from 4.2 quarts for the EJ253 engine to 6.9 quarts for the EZ36D engine. The recommended oil viscosity for most models is 5W-30, while newer models like the FA24D and FB25B require 0W-20 viscosity oil. Additionally, coolant capacities vary, with some engines needing as much as 9.5 quarts.
Regular oil changes are essential for keeping your Subaru Outback running smoothly. For instance, the EJ255 Turbo engine has an oil capacity of 4.5 quarts and requires a specific maintenance schedule to ensure optimal performance. Always refer to your vehicle's owner manual for the recommended oil change intervals and specifications for your specific engine type.
Subaru Outback 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 |
| 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, 2004, 2003 |
| EJ255 Turbo EJ EJ25 The EJ255 Turbo engine has a displacement of 2.5L H-4. The power output is 240 hp. | 4.5 qt | 5W-30 | 7.7 qt | 2009, 2008, 2007, 2006, 2005 |
| 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. | 5.9 qt | 5W-30 | 8.9 qt | 2004, 2003 |
| 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. | 6.0 qt | 5W-30 | 7.6 qt | 2009, 2008, 2007, 2006, 2005 |
| 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. | 6.0 qt | 5W-30 | 7.9 qt | 2002, 2001 |
| 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 | 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 | 2018, 2017, 2016, 2015, 2014 |
| 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 Outback – Frequently Asked Questions
How many quarts of oil does the Subaru Outback take?
The Subaru Outback oil capacity varies by engine: EJ253: 4.2 qt; EJ253: 4.4 qt; EJ255 Turbo: 4.5 qt; EZ30D: 5.9 qt; EZ30D: 6.0 qt; EZ30D: 6.0 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 Outback use?
Oil viscosity depends on the engine: EJ253, EJ253, EJ255 Turbo, EZ30D, EZ30D, EZ30D, EZ36D, EZ36D: 5W-30; 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 Outback?
The coolant capacity for the Subaru Outback varies by engine: EJ253: 5.8 qt; EJ253: 6.8 qt; EJ255 Turbo: 7.7 qt; EZ30D: 8.9 qt; EZ30D: 7.6 qt; EZ30D: 7.9 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 Outback use?
The Subaru Outback typically uses 5W-30 oil for most of its engines, except for newer models like the FA24D and FB25B, which require 0W-20 oil.
How many quarts of oil does the Subaru Outback take?
Oil capacities for the Subaru Outback vary by engine. For example, the EJ253 engine takes 4.2 or 4.4 quarts, while the EZ36D engine can require up to 6.9 quarts.
How often should I change oil in a Subaru Outback?
Oil change intervals can vary, but it's generally recommended to change the oil every 6,000 to 7,500 miles, depending on driving conditions and engine type.
What is the coolant capacity of the Subaru Outback?
Coolant capacities also vary by engine. For instance, the EJ255 Turbo requires 7.7 quarts, while the FA24D engine needs up to 9.2 quarts.
Does the Subaru Outback need synthetic oil?
While synthetic oil is not mandatory, using it can provide better engine protection and performance, especially in extreme temperatures.
What happens if I use the wrong oil viscosity in my Subaru Outback?
Using the wrong oil viscosity can lead to poor engine performance, increased wear, and potential engine damage. It's crucial to stick to the manufacturer's recommended viscosity.
What is an oil life monitor and how does it work?
An oil life monitor tracks engine conditions and driving habits to estimate when an oil change is needed. It helps ensure that oil changes are done at optimal intervals.
Can I mix synthetic and conventional oil?
While it's technically possible to mix synthetic and conventional oils, it's not recommended as it can reduce the effectiveness of the oil and may lead to performance issues.
How do I know if my Subaru Outback has an oil leak?
Signs of an oil leak include oil spots under the vehicle, a drop in oil levels, or the oil pressure warning light illuminating on the dashboard.
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.
Should I check my oil when the engine is hot or cold?
It's best to check your oil when the engine is cold, as this allows for a more accurate reading of the oil level.
What is the difference between an oil change and a flush?
An oil change involves draining old oil and replacing it with new oil, while an oil flush cleans the engine by removing sludge and contaminants, often using a special cleaning solution.