2018 Toyota Sienna Oil Capacity & Type
Last updated: July 2026
The 2018 Toyota Sienna oil capacity is 6.4 qt (6.1 L) with a filter change, using 0W-20 synthetic (3.5L V6 (2GR-FE, 2015-2016)). The 3.5L V6 (2GR-FKS, 2017-2020) takes 5.8 qt (5.5 L) of 0W-20 synthetic.
| Engine | Capacity (with filter) | Oil type |
|---|---|---|
| 3.5L V6 (2GR-FE, 2015-2016) | 6.4 qt (6.1 L) | 0W-20 synthetic |
| 3.5L V6 (2GR-FKS, 2017-2020) | 5.8 qt (5.5 L) | 0W-20 synthetic |
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Capacities above are for a drain-and-fill with filter replacement on the 3rd gen (XL30) Sienna. After refilling, run the engine briefly, wait a few minutes, and confirm the level on the dipstick before driving.
FAQ
How much oil does a 2018 Toyota Sienna take?
The 2018 Sienna takes 6.4 qt (6.1 L) of 0W-20 synthetic with a filter change (3.5L V6 (2GR-FE, 2015-2016)). The 3.5L V6 (2GR-FKS, 2017-2020) takes 5.8 qt (5.5 L).
What type of oil does a 2018 Sienna use?
Toyota specifies 0W-20 synthetic for the 3.5L V6 (2GR-FE, 2015-2016) in the 2018 Sienna.
How often should I change the oil in a 2018 Sienna?
Toyota's normal interval for full synthetic is 10,000 miles or 12 months, halved under severe driving conditions. Check your maintenance guide.