2018 Subaru Crosstrek Oil Type & Capacity: 0W-20 (4.9 quarts)
The 2018 Subaru Crosstrek takes 0W-20 motor oil — 4.9 quarts with a filter change, per the factory service manual.
Factory-spec answer
0W-20 — 4.9 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic CVT Trans | ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil | 4.90 QTS. | 4.70 QTS. | 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. |
| Base, Standard Trans | ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil | 4.90 QTS. | 4.70 QTS. | 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. |
| Limited | ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil | 4.90 QTS. | 4.70 QTS. | 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. |
| Premium, Automatic CVT Trans | ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil | 4.90 QTS. | 4.70 QTS. | 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. |
| Premium, Standard Trans | ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil | 4.90 QTS. | 4.70 QTS. | 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. |
More factory specs & repair guides for your Crosstrek
🛞 2018 Subaru Crosstrek Tire Size & Pressure →🌧️ 2018 Subaru Crosstrek Wiper Blade Sizes →💡 2018 Subaru Crosstrek Light Bulb Sizes →📖 2018 Subaru Crosstrek Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
8.2 quarts (7.76 L) — SUBARU Super Coolant
Frequently asked questions
What type of oil does a 2018 Subaru Crosstrek take?
The 2018 Subaru Crosstrek takes 0W-20 motor oil (ILSAC GF-4 or GF-5, API - SN or SM, 0W-20 Synthetic Oil), per the factory service manual.
What is the oil capacity of a 2018 Subaru Crosstrek?
The 2018 Subaru Crosstrek oil capacity is 4.9 quarts with a filter change, or 4.7 quarts without changing the filter.
How often should I change the oil in my 2018 Subaru Crosstrek?
Most 2018 Subaru Crosstrek owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Subaru recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2018 Subaru Crosstrek?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2018 Subaru Crosstrek. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.