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What kind of transmission fluid does a 2018 Toyota Sienna take?

The 2018 Toyota Sienna minivan requires a specific type of transmission fluid to ensure proper operation and longevity of the vehicle's transmission. According to Toyota's recommendations, the 2018 Sienna should use a Toyota-approved automatic transmission fluid (ATF).


Recommended Transmission Fluid for 2018 Toyota Sienna


The recommended transmission fluid for a 2018 Toyota Sienna is Toyota Genuine ATF WS. This is a synthetic, high-performance automatic transmission fluid that meets Toyota's stringent specifications for their vehicles. Some key points about the recommended fluid:



  • Toyota Genuine ATF WS is a Toyota-approved automatic transmission fluid

  • It is a synthetic fluid designed for optimal performance and longevity in Toyota transmissions

  • Using a non-approved fluid could potentially damage the transmission and void the vehicle's warranty


It's important to only use the transmission fluid recommended by Toyota for the 2018 Sienna. Using the wrong fluid could lead to transmission problems down the road.


Transmission Fluid Change Interval


Toyota recommends changing the transmission fluid in a 2018 Sienna every 60,000 miles or 60 months, whichever comes first. This maintenance is crucial to keep the transmission operating at its best and prevent premature wear or failure.


Properly maintaining the transmission fluid is an important part of caring for a 2018 Toyota Sienna. By using the recommended Toyota Genuine ATF WS fluid and following the manufacturer's service schedule, Sienna owners can help ensure their vehicle's transmission provides reliable performance for years to come.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.