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The 2009 Toyota Prius has a transmission fluid capacity of 4.1 quarts. The car’s engine and transmission share the same oil, so there is no need to check or fill the transmission fluid separately. The oil should be changed every 5,000 miles or 6 months, whichever comes first.
The 2009 Toyota Prius has a transmission fluid capacity of 4.1 quarts. This means that you will need to purchase at least this amount of fluid in order to complete a full flush of the system. The best way to ensure that you have enough fluid is to buy a gallon of it from your local auto parts store.
This will give you plenty of extra just in case you spill some or if you need to add more later on down the road.
How to change the transmission fluid in a 2004-2009 Toyota Prius (in 10 minutes or less)
2010 Toyota Prius Transmission Fluid Capacity
If you own a 2010 Toyota Prius, it’s important to be aware of the transmission fluid capacity. This is especially true if you plan on doing your own maintenance or repairs. Here’s what you need to know about the 2010 Toyota Prius transmission fluid capacity.
The 2010 Toyota Prius comes equipped with a 1.8L 4-cylinder engine and an Electronically Controlled Continuously Variable Transmission (ECVT). The ECVT uses a special type of transmission fluid, so it’s important to use the correct type when topping off or changing the fluid.
The recommended transmission fluid for the 2010 Toyota Prius is Dexron VI ATF.
The capacity of the transmission fluid system is 4.1 quarts (3.9 liters). It’s important not to overfill the system, so be sure to check your owner’s manual for the proper procedure before beginning any work.

Credit: priusdiy.com
How Much Transmission Fluid Does a Toyota Prius Take?
A Toyota Prius uses about 4.8 quarts of transmission fluid. The type of transmission fluid used in a Toyota Prius is ATF-WS (Automatic Transmission Fluid – World Standard). You can purchase ATF-WS from most auto parts stores.
Does a Prius Have a Transmission Fluid Filter?
Yes, a Prius has a transmission fluid filter. This is a small, cylindrical filter that helps to remove contaminants from the transmission fluid. The filter is located in the transmission pan, and it is important to change it regularly to help keep the transmission fluid clean.
What is the Transmission Fluid Capacity?
The capacity of the transmission fluid will vary depending on the make and model of your vehicle. However, most transmissions will require between 2-4 quarts of fluid. You can check your owner’s manual to be sure.
If you need to add transmission fluid, be sure to do so slowly in order to not overfill it. Also, only use the type of transmission fluid specified by your car’s manufacturer. Using the wrong type of fluid can damage your transmission.
How Many Quarts Do I Need for Transmission Fluid?
Assuming you have a standard transmission, it will likely take between 2-3 quarts of fluid. Check your owner’s manual to be sure. If you are changing the fluid yourself, make sure to also change the filter.
The process is relatively simple and only takes a few hours.
Conclusion
The 2009 Toyota Prius has a transmission fluid capacity of 4.1 quarts. This means that you will need to add about 1 quart of transmission fluid for every 1,000 miles driven. The best way to keep your transmission fluid at the correct level is to check it regularly and top it off as needed.