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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.
2018 Subaru CrosstrekOil Type & Capacity
OEM spec from the factory service manual for the Base, Automatic CVT Trans variant.
Quick Answer
Oil Type
$ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil
Capacity (w/ Filter)
5.80 QTS.
5.48 L
Variant
Base, Automatic CVT Trans
Note: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change.
This vehicle's factory manual
The oil spec is above. This opens the fluids section of the 2018 Subaru Crosstrek Base, Automatic CVT Trans factory book.
Sister site: See this spec on WhatTypeOfOil.com — our quick oil type & capacity lookup for every vehicle.
What You'll Need
Related for Your 2018 Subaru Crosstrek
Frequently Asked Questions
- What type of oil does a 2018 Subaru Crosstrek take?
- The 2018 Subaru Crosstrek requires ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Base, Automatic CVT Trans configuration.
- How much oil does a 2018 Subaru Crosstrek need?
- The 2018 Subaru Crosstrek takes 5.80 QTS. (5.48 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2018 Subaru Crosstrek?
- Yes — synthetic oil that meets the ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2018 Subaru Crosstrek?
- Using oil that does not meet the ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.