2018 Toyota Prius transmission fluid capacity and fluid specs
GarageDex's fluid data shows the 2018 Toyota Prius uses the P610 automatic transmission, which holds 3.8 quarts of fluid as a total fill, specified as WS. Brake fluid is DOT 3.
Shop WS fluid Match the specification on the bottle to your manual
Key takeaways
- Transmission: P610 automatic transmission, 3.8 qt total fill, WS fluid.
- Total fill is the whole system; a drain-and-refill takes a third to half.
- Brake fluid: DOT 3.
- The fluid specification is named by the source - buy a fluid that lists it.
| Engine | Transmission | Total fill | Fluid spec | Brake fluid | Gear oil |
|---|---|---|---|---|---|
| 1.8L 4-cylinder 2ZR-FXE | P610 automatic | 3.8 qt | WS | DOT 3 | - |
Fluids for the 2018 Toyota Prius
Buy fluid that states the specification your manual names. Multi-vehicle fluids list the specs they meet on the back label - if yours is not listed, it is the wrong bottle.
WS fluidYou need about 4 quarts for a full fillShop fluid DOT 3 brake fluidA quart covers a full flushShop brake fluid Fluid transfer pumpMost modern transmissions have no dipstick tube - you fill from belowShop pumps
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Other 2018 Toyota Prius specs
Other Prius years
Source: World's Best Oil (AMSOIL dealer cross-reference). Capacities are total system fills; a drain-and-refill takes less. Where no fluid specification is shown, the source lists only a catalog code, so use the specification printed in your owner's manual - the wrong transmission fluid damages a transmission.