Does the 2015 McLaren Automotive P1 have auto start-stop?

Yes. The EPA lists automatic engine start-stop on every 2015 McLaren Automotive P1 configuration.

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.
2015 McLaren Automotive P1: every EPA-listed configuration
EngineDriveTransmissionStart-stop
3.8L 8-cylinder turbo plug-in hybridRWD7-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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