By Top Class Actions  |  July 29, 2025

Category: Auto News
Honda vehicle assembly factory owned by Honda Motor.
(Photo Credit: aapsky/Shutterstock)

Honda class action lawsuit overview:

  • Who: A group of six consumers has filed a class action lawsuit against American Honda Motor Co. Inc. and Honda Motor Co. Ltd.
  • Why: The plaintiffs allege the automaker sold vehicles with defective turbocharged engines that are prone to overheating, head gasket failure and other problems.
  • Where: The Honda class action was filed in California federal court.

A new class action lawsuit accuses American Honda Motor Co. Inc. and Honda Motor Co. Ltd. of selling vehicles with defective turbocharged engines that are prone to overheating, head gasket failure and other problems.

Plaintiff Radley Alcantara and five others filed the Honda turbocharged engine lawsuit against Honda on July 1 in California federal court.

The plaintiffs allege Honda’s 1.5-liter and 2.0-liter turbocharged engines, found in vehicles like the Honda Accord, Civic, CR-V, Acura RDX and TLX from model years 2016 to 2022, have a design defect that causes engine coolant to leak into the cylinders.

This leads to overheating, head gasket failure and other serious issues, they say.

Honda refuses to fix defect, lawsuit claims

The plaintiffs argue that this defect poses a significant safety risk, as it can cause vehicles to lose power suddenly, potentially leading to accidents.

They claim Honda was aware of the defect but failed to disclose it to consumers, leaving them with unreliable and expensive vehicles.

The lawsuit alleges the automaker has refused to fix the problem under warranty, forcing consumers to pay out of pocket for repairs.

The plaintiffs are suing for breach of warranty, unjust enrichment and violations of consumer protection laws. They are seeking certification of the Honda turbocharged engines class action lawsuit, damages, fees and costs, and a jury trial.

Last year, Honda was hit with a similar class action alleging defects in its 1.5-liter i-VTEC turbocharged gasoline direct injection engine, which reportedly suffers from “inadequate sealing and cooling.” According to that lawsuit, coolant leaks into engine components, causing overheating, loss of power, and contamination of engine oil.

What do you think of the claims made in this Honda class action? Let us know in the comments.

The plaintiffs are represented by Timothy G. Blood, Thomas J. O’Reardon II, Paula R. Brown and Adam M. Bucci of Blood Hurst & O’Reardon LLP; and W. Daniel “Dee” Miles III, H. Clay Barnett III, J. Mitch Williams, Dylan T. Martin and Trenton H. Mann of Beasley, Allen, Crow, Methvin, Portis & Miles PC.

The Honda turbocharged engines class action lawsuit is Alcantara, et al. v. American Honda Motor Co. Inc., et al., Case No. 2:25-cv-06009, in the U.S. District Court for the Central District of California.


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202 thoughts onHonda class action alleges defective turbocharged engines

  1. Tonya says:

    Same!! How do I join class action lawsuit.

  2. Linda Shaw says:

    Same same same …. how do I join this lawsuit. My 2019 honda CRV Head gasket and fuel injectors had to get replaced!

  3. Mayra Tolliver says:

    I have a 2018 CRV and was told I need to replace the head gasket. $5500! It’s too much money to put into a car with no guarantee it won’t happen again.

  4. Dana Hulslander says:

    How do I join in on the lawsuit? I just found out yesterday that my 2019 Honda CRV has a bad head gasket. Furious doesn’t even cut it. I spent $25,000 on this car 5 years ago when I bought it from a Honda Dealership. Now it’s junk. I want Honda to pay for this mess.

  5. Mara R says:

    Honda dealer said I Need new head gasket that was already replaced by them not even 3 years ago still having the same issues check engine light and Honda says a need new head gasket again.

  6. Douglas Deffenbaugh says:

    I have a 2020 Honda Accord 1.5 Turbo 6K to fix, purchased at Serra Honda O”Fallon. Illinois, Serra Honda claims they received at lest four of these.a year lesking gasket coolant into the piston.

  7. Douglas Deffenbaugh says:

    I have a 2020 Honda Accord with mine bought off the lot new at Serra Honda, OFALLON, Illinois overheating, leaking gasket coolant into the piston 6K repair bill, NO FACTORY RECALL and they claim they get 4 of thesena year!!!

  8. eliezel reynoso says:

    2018 Honda accord sport 1.5t head gasket and coolant leaking issues. Also replaced injectors as well

  9. Renee Cullen says:

    How do I join this lawsuit? 2017 CRV and had to replace the whole engine.

  10. Rachel says:

    I have an 2018 accord sport 1.5. I have already had to replace injectors $1000 and now I year later I’m having to replace head gasket & turbo at $5300. I’m so mad. I wish i would have not bought this car

    1. Mary Skipper says:

      Same!!!!

    2. peter mella says:

      Honda stratham New Hampshire told me they can’t do anything about it.
      It’$ agravating.

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