2024 Toyota Sienna transmission: CVT or automatic?
Yes. Every 2024 Toyota Sienna configuration in the EPA listing uses a CVT (continuously variable transmission).
Key takeaways
- 2 EPA-certified configurations listed for the 2024 Toyota Sienna.
- CVTs need CVT-specific fluid - never top one up with ordinary automatic transmission fluid.
- The transmission can differ by engine and drive layout, so match your row by engine size.
| Engine | Transmission | EPA code | Drive |
|---|---|---|---|
| 2.5L 4-cylinder hybrid | CVT (continuously variable, 6 simulated steps) | Automatic (AV-S6) | AWD |
| 2.5L 4-cylinder hybrid | CVT (continuously variable, 6 simulated steps) | Automatic (AV-S6) | FWD |
Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.
Toyota Sienna transmission fluid type and capacity →
Useful for the 2024 Toyota Sienna
CVT fluidCVTs need CVT-specific fluid - match your manual's specShop CVT fluid Fluid transfer pumpFor transmissions filled through a side plugShop pumps
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