Subaru Crosstrek Oil Type & Capacity
| Engine Type | Model Years | Recommended Oil Type | Oil Capacity (with filter) |
| 2.0L Boxer 4-Cyl | 2018 – 2025 | SAE 0W-20 Full Synthetic | Approx. 4.7 quarts (4.4L) |
| 2.5L Boxer 4-Cyl | 2021 – 2025 | SAE 0W-20 Full Synthetic | Approx. 4.4 quarts (4.2L) |
Looking for the right oil type for your Subaru Crosstrek or how much oil your Subaru Crosstrek needs? Here’s your quick, no-nonsense guide to the recommended oil and capacity for every modern Crosstrek engine from 2018 through the 2025 model year.
What is the Official Recommended Oil Type for the Subaru Crosstrek?
Answer: Subaru officially recommends SAE 0W-20 full synthetic oil for all Crosstrek models from 2018 through 2025, including both the 2.0L and 2.5L Boxer engines.
This oil is engineered to optimize performance, protect the engine under extreme conditions, and maintain fuel efficiency.
Does the Subaru Crosstrek Require Full Synthetic Oil?
Yes. Full synthetic oil is required for all late-model Crosstreks. It offers:
- Better high-temperature protection
- Reduced engine wear
- Longer oil life
- Improved fuel economy
Using conventional oil instead can result in decreased performance and long-term engine damage.
Subaru Crosstrek Oil Capacity (By Engine Size)
Oil Capacity for the 2.0L Engine
The 2.0L Crosstrek engine holds approximately 4.7 US quarts (4.4 liters) of oil when changing both the oil and the filter.
Oil Capacity for the 2.5L Engine
The 2.5L Crosstrek engine holds approximately 4.4 US quarts (4.2 liters) of oil with a filter change.
Tip: Always check the dipstick after an oil change to verify correct levels.
How Often Should You Change the Oil in a Crosstrek?
Subaru recommends an oil change every 6,000 miles or 6 months, whichever comes first, for normal driving conditions. For severe driving conditions (frequent short trips, extreme weather), more frequent oil changes may be necessary.
What is the Best Oil Filter for a Subaru Crosstrek?
The Genuine Subaru OEM oil filter is the most reliable option. The standard part number is 15208AA15A, commonly known as the “blue filter.”
Why use OEM?
- Matches Subaru’s engine flow rate and pressure specs
- Built specifically for the Boxer engine design
- Ensures optimal filtration and longevity
Frequently Asked Questions About Subaru Crosstrek Oil
Can I use 5W-30 oil in my Subaru Crosstrek?
Technically, yes—but it’s not recommended. 0W-20 is thinner and designed for better fuel economy and cold starts. The 5W-30 is thicker and may reduce efficiency and wear protection in the Crosstrek engine.
What happens if I don’t use synthetic oil in my Subaru Crosstrek?
Using non-synthetic or conventional oil can lead to increased wear, sludge buildup, and reduced engine performance. It may also void parts of your powertrain warranty.
How to Keep Your Crosstrek Running Strong
Whether you drive a base model or a Sport trim, following Subaru’s recommended oil type and maintenance schedule is key to long engine life. Stick with 0W-20 full synthetic, change it every 6,000 miles, and use OEM filters and your Crosstrek will reward you with years of dependable driving.
Need an Oil Change in McKinney, TX?
Visit the Brandon Tomes Subaru Service Center. Our factory-trained technicians use Genuine Subaru parts and fluids to keep your Crosstrek in top shape. Schedule your service online today!
