How much transmission fluid does a 2023 Cadillac CT5 take?

10.9 quarts as a total fill for the 10L60 transmission (10.9 to 11.6 quarts across this year's engines). 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 2023 Cadillac CT5 use?

The source names WSS-M2C949-A for this year. Use a fluid that states that specification on the bottle.

What brake fluid does a 2023 Cadillac CT5 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.

2023 Cadillac CT5 transmission fluid capacity and fluid specs

GarageDex's fluid data shows the 2023 Cadillac CT5 (2.0L 4-cyl) uses the 10L60 automatic transmission, which holds 10.9 quarts of fluid as a total fill, specified as WSS-M2C949-A. Other engines on this year hold 10.9 to 11.6 quarts - see the table.

Shop WSS-M2C949-A fluid Match the specification on the bottle to your manual

Key takeaways

Transmission: 10L60 automatic transmission, 10.9 qt total fill, WSS-M2C949-A 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.

2023 Cadillac CT5 fluids by engine
Engine	Transmission	Total fill	Fluid spec	Brake fluid	Gear oil
2.0L 4-cyl	10L60 automatic	10.9 qt	WSS-M2C949-A	see reservoir cap	rear 1.05 qt front 0.4 qt
3.0L 6-cyl	10L80 automatic	11.6 qt	WSS-M2C949-A	see reservoir cap	rear 1.05 qt front 0.4 qt
6.2L 8-cyl	10L90 automatic	11.6 qt	WSS-M2C949-A	see reservoir cap	rear 1.05 qt

Fluids for the 2023 Cadillac CT5

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.

WSS-M2C949-A fluidYou need about 11 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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Other 2023 Cadillac CT5 specs

All specs Engine oil Coolant capacity Maintenance schedule

Other CT5 years

2026 2025 2024 2022 2021 2020

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.