Logotype of Hyundai corporation.
(Photo Credit: Arsenie Krasnevsky/Shutterstock)

Update: 

  • A judge dismissed a class action lawsuit filed by a group of vehicle owners against Hyundai Motor Co. in a California federal court. 
  • The class action lawsuit claimed a number of Hyundai and Kia model vehicles contained an engine defect that caused them to use an excessive amount of oil.
  • The vehicle owners argued the alleged defect, in addition to costing them money for the excess oil, caused the vehicles to stall and eventually fail. 
  • Court approval of the dismissal was not required as the class had not been certified nor proposed to be certified for purposes of a settlement, according to court documents. 

Hyundai excessive oil consumption class action lawsuit overview:

  • Who: A group of Hyundai and Kia vehicle owners are suing Hyundai Motor Co.
  • Why: The drivers allege numerous models of Hyundai and Kia vehicles are equipped with defective engines that use excessive amounts of oil, stall and eventually fail.
  • Where: The lawsuit was filed in a California federal court.

(April 20, 2022)

Hyundai makes numerous models of Hyundai and Kia brand vehicles with defective engines that use excessive amounts of oil, costing their owners huge sums of money, a new class action lawsuit alleges.

On Apr. 12, eight owners of Hyundai and Kia brand vehicles filed a class action lawsuit against Hyundai Motor Co. in a California federal court, alleging violations of federal warranty laws.

The Hyundai excessive oil consumption lawsuit alleges that numerous models of the automaker’s vehicles are equipped with defective Nu, Gamma, Theta, Lambda and Kappa engines.

The defective engines allegedly use excessive amounts of oil, stall and eventually fail. The drivers say Hyundai should have issued a recall for the vehicles a long time ago but hasn’t.

As a result, thousands of Hyundai and Kia owners and lessees have allegedly been forced to constantly check the oil levels, and oil must be added to the engines more frequently than even the owner’s manuals recommend, Car Complaints reports.

The engine issue has flow-on effects like reduction in engine lubrication due to crankshaft submersion and gaskets and seals damage, which leads to oil leaks.

The plaintiffs also claim that oil in their vehicles migrates to places where it shouldn’t be, damaging the combustion and exhaust systems.

This allegedly causes “abnormal wear of engine parts, oversaturation of carbon and deposits of oil sludge, ultimately requiring a costly engine rebuild or replacement.”

Automaker should honor warranty claims outside terms, Hyundai class action says

The plaintiffs allege that Hyundai should honor customers’ warranty claims even when the warranties have expired. 

According to the lawsuit, Hyundai can’t adequately repair the oil consumption problems and doesn’t offer any reimbursement for out-of-pocket costs caused by the issue.

The class action states customers must suffer through long wait times for replacement parts, “and in most cases do not receive required engine replacements.”

The cars with the allegedly faulty engines include the 2012-2020 Hyundai Elantra, 2009-2018 Hyundai Genesis Coupe, 2019-2021 Hyundai Kona, 2020-2021 Hyundai Palisade, 2010-2012 and 2015-2021 Hyundai Santa Fe, 2009-2010 and 2015-2021 Hyundai Sonata, 2011–2021 Hyundai Sonata Hybrid, 2010-2013 and 2015-2021 Hyundai Tucson, 2011-2021 Hyundai Veloster, 2020-2021 Hyundai Venue, 2010-2021 Kia Forte, 2017-2020 Kia Niro, 2011-2020 Kia Optima and Optima Hybrid, 2012-2021 Kia Rio, 2011-2020 Kia Sorento, 2012-2021 Kia Soul, 2011-2020 Kia Sportage, 2018-2021 Kia Stinger and 2022 Kia K5.

Meanwhile, Hyundai has expanded its recall of vehicles with an exploding seat belt part issue that has caused multiple injuries to include 6,240 of its 2021-2022 Elantra and 2020 Accent vehicles. 

The plaintiffs are represented by Nye, Stirling, Hale & Miller LLP, Sauder Schelkopf LLC and Walsh, PLLC.

The Hyundai Oil Consumption Lawsuit is Cho, et al., v. Hyundai Motor Company, LTD., et al. in the U.S. District Court for the Central District of California.

Are you one of the drivers affected by an allegedly faulty Hyundai engine? Let us know in the comments! 


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3,221 thoughts onHyundai class action over excessive oil consumption dismissed

  1. Elaine Harris says:

    I need to be on this lawsuit. This just happed to my son’s 2016 Hyundai Sonata! How do we get help?

  2. Michelle says:

    Just left dealership for engine flush following oil consumption test 6 times. Told to bring back in 1000 miles to recheck. Warranty expiri g very soon.

  3. Marc says:

    2016 Hyundai Sonata burns 3 quarts every 1000 miles

  4. Sherri Ingle says:

    What is the next step in this Class Action Lawsuit?

  5. Frank Short says:

    My grandson’s 2018 Kia Optima ES 2.4 that I’m co owner of uses 10 or more quarts of oil between 5000 oil changes. No oil leaks. The engine runs good, it just uses an excessive amount of oil. The car was purchased used and I believe we are the second owners. If there’s a class action lawsuit we definitely wish to be a part of it.

    1. Frank Short says:

      That should read 5000 mile oil change intervals.

  6. Christy says:

    I have a 2013 haundai genesis coupe premium havegone through 2 engines! And catalac converter! I need a new engine plz upstate ny

  7. Jeff K. says:

    I’m adding at least a quart of oil every two or three weeks to my 2013 Hyundai Sonata Limited with over 160,000 miles. I just started adding this much oil in May 2022. I changed my PCV valve in early May 2022 as I thought that might have been the problem. The new PCV valve did not have any effect as I was continuing to lose oil every two to three weeks.

    1. Michael Timmons says:

      You should be able to get a new engine under a recall. We had a sonata , our engine dies and we got it replaced under a recall

  8. Victoria says:

    I have a 2015 Hyundai Sonata and I have not even had it two years and I am having the oil consumption issue as well as code P0335 crank shaft position sensor and the dealership tells me that it something with the motor.

    I live in Kentucky how can I join this lawsuite

  9. Sonja Hawkins Morgan says:

    I live in Florida. How can I join this lawsuit?

  10. Madeline Morello says:

    I have a 2017 Kia Sportage and live in New York. I am having the same problems as mentioned above. How can I join the class action lawsuit.

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