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. Sahara says:

    How do I get added to the law suit. I bought my Hyundai sonata 2017 iat the end of 2020 and it broke down on me. We got the technicians to do a through check t find that the engine has internal lekage and that they have had other hyundais have this too. They cant fix it but I have to get a new engine instead. It cost thousands of dollars that I have all the records and reciepts for. Plus now I have to add engine oil to it about every 3 weeks!

  2. RhaJuane Johnson says:

    I have a 2017 Hyundai Tucson I am a constantly putting oil in the vehicle every couple days it’s burning ridiculously crazy. I’ve had this car for over a year now. The car dealership Volvo Cars of Louisville failed to disclose any information about the car having mechanical issues

  3. Dyani McAlexander says:

    2017 Hyunadai Tucson and my truck is currently in the shop with a blown engine. This is the most second time I’ve had to take it in for the same issue, no oil. Had the turbo charge replaced in June 2022, and once again, except this time it blew my engine. No warning lights of low oil and just had my oil change done in mid November.

  4. TIA Anissa McRae says:

    I have a 2019 Hyundai Tuscon; it has been burning oil out of the vehicle. Not sure what I should do; if I should replace it or keep it.

  5. Kevin Shilbhadra says:

    2018 Sonata – 65k miles, burning oil a lot of oil that makes it unsafe to drive. I need to keep checking the oil levels often.

    I would like to join this class action lawsuit

  6. Debora Hunt says:

    My 2017 engine has complete engine failure due to excessive oil consumption. I have complained to the dealer twice about this in the past as well as to my local mechanic. The Hyundai manufacturer refuses to stand behind this product. The engine has 1003k miles. I bought it used with 24.k. I have taken excellent care of this car and have the documentation to back this statement.
    I would like to join this class-action lawsuit

  7. Todd Sherman says:

    2015 Hyundai Sonato – mechanic just diagnosed with this exact issue. Car dealer said no longer covered by warranty due to being 2nd owner. Bought vehicle in 2017 with less thank 30k. Has 95,000 now.

  8. jeff says:

    2014 Hyundai Tucson oil, converter and misfire issues broke down twice on the interstate

  9. jeffery crawford says:

    2014 Hyundai Tucson oil, converter and misfire issues broke down twice on the interstate

  10. Jennifer Trow says:

    I have a 2018 Hyundai Sonata with 70000 miles using excessive oil

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