Does the 2019 Cadillac CT6 have auto start-stop?

On some configurations. Yes on the 3.6L 6-cylinder and 4.2L 8-cylinder turbo. No on the 2.0L 4-cylinder turbo and 3.0L 6-cylinder turbo.

Key takeaways

  • Start-stop cars restart the engine many times per drive, so they are usually fitted with an AGM or EFB battery - replace like with like.
  • Most systems have an off button that disables start-stop until the engine is next started; some models remember the setting.
2019 Cadillac CT6: every EPA-listed configuration
EngineDriveTransmissionStart-stop
2.0L 4-cylinder turboRWD10-speed automaticNo
3.0L 6-cylinder turboAWD10-speed automaticNo
3.6L 6-cylinderAWD10-speed automaticYes
4.2L 8-cylinder turboAWD10-speed automaticYes

Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.

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