Edited 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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122 thoughts onHonda class action alleges defective turbocharged engines

  1. Kathina Brown says:

    I have a 2017 Honda CRV. My air conditioner has been acting up like it doesn’t want to work but every time I take it to Honda they say it’s nothing wrong with it. I know it is. My warranty will be up soon. So hopefully they won’t try to play me about fixing it.

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