Does the 2018 Honda Clarity have auto start-stop?

Yes. The EPA lists automatic engine start-stop on every 2018 Honda Clarity 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.

Parts for the 2018 Honda Clarity

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2018 Honda Clarity: every EPA-listed configuration
EngineDriveTransmissionStart-stop
Electric (EV)FWDsingle-speed (direct drive)n/a (electric)
Hydrogen fuel cellFWDsingle-speed (direct drive)No
1.5L 4-cylinder plug-in hybridFWDCVT (continuously variable)Yes

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.

2018 Honda Clarity battery size, type and CCA → Some start-stop cars also need the new battery registered: which ones →

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