TrimSpecsFactory specs, per trim.

2018 Toyota Sienna Oil Capacity & Type

Last updated: October 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.
2018 Toyota Sienna — Oil Capacity & Type
EngineCapacity (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
Doing this oil change yourself? Shop 0W-20 synthetic oil →

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. For costs and how to do it, see our Sienna oil change guide. Not sure why viscosities differ? See 0W-16 vs 0W-20 explained.

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?

The normal interval for full synthetic is up to 10,000 miles or 12 months, halved under severe driving conditions. Check your maintenance guide.

Sienna oil capacity & type — other years

Same spec, other models (2018)

All 2018 Sienna specs