How much transmission fluid does a 2025 Toyota Crown Signia take?

4.1 quarts as a total fill for the P710 transmission. A drain-and-refill without removing the pan replaces roughly a third to half of that, so refill to the level check point rather than pouring in the whole figure.

What transmission fluid does a 2025 Toyota Crown Signia use?

The source names WS for this year. Use a fluid that states that specification on the bottle.

What brake fluid does a 2025 Toyota Crown Signia take?

Check the brake fluid reservoir cap - it states the DOT grade. DOT 3 and DOT 4 can be mixed; DOT 5 silicone fluid cannot.

2025 Toyota Crown Signia transmission fluid capacity and fluid specs

GarageDex's fluid data shows the 2025 Toyota Crown Signia uses the P710 automatic transmission, which holds 4.1 quarts of fluid as a total fill, specified as WS.

Shop WS fluid Match the specification on the bottle to your manual

Key takeaways

Transmission: P710 automatic transmission, 4.1 qt total fill, WS fluid.
Total fill is the whole system; a drain-and-refill takes a third to half.
Brake fluid grade: read it off the reservoir cap.
The fluid specification is named by the source - buy a fluid that lists it.

2025 Toyota Crown Signia fluids by engine
Engine	Transmission	Total fill	Fluid spec	Brake fluid	Gear oil
2.5L 4-cyl	P710 automatic	4.1 qt	WS	see reservoir cap	rear 1.8 qt

Fluids for the 2025 Toyota Crown Signia

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 5 quarts for a full fillShop fluid DOT 3 or DOT 4 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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Source: AMSOIL Auto & Light Truck lookup. 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.