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. Phillip says:

    How is the Santa Fe Sport NOT included in this list when it had the Theta engine??

  2. Louis A Longoria says:

    Please add me to this Class Action Lawsuit
    Motor Replacement Denied
    My 2020 Hyundai Veloster 2.0 has a recall. After completion of the oil consumption test. It used 1.3 quarts of oil for 1000 miles. The dealers (Twin City Hyundai. Alcoa, TN) Service Manager forwarded the info to Hyundai. Hyundai responded that this is normal oil usage, between oil changes. I have a copy of the Service work order, stating 1.3 qt low.

  3. GWENDOLYN SADDLER says:

    Add me owned a 2012 Hyundai Elantra

    1. Windell Chapman says:

      Count me in 2015 kia soul oil burner at 85, 000 miles

      1. Georgia Reilly says:

        Add me I have a 2018 Santa Fe

    2. Roderick Starks says:

      Add my wife’s 2014 Santa fe sport.
      Currently sitting at a dealership waiting for testing for the rod bearing recall.

  4. Robert Frost says:

    Hyundai has these so called warranties the “10-Year/100,000-Mile”, the “5-Year/60,000-Mile”, and the “7-Year/Unlimited” but NOTHING is/was ever “covered” under Hyundai’s so called “warranties” in the 10 years that we’ve own our 2012 Hyundai Santa Fe. ABSOLUTELY NOTHING!!!

  5. Karen says:

    2015 Sonata, currently going through a second round of oil consumption tests with the dealer to determine if oil consumption is severe enough to qualify for an engine short/long block. Dealer also says rental will not be provided if repair is needed.

  6. Edna Norment -Ransom says:

    add me, I have a 2018 Tucson

  7. Mary S Moore says:

    Add me

  8. Amanda Nellis says:

    2013 sonata

  9. Barbara Johnson says:

    Add me 2011 Hyundai Tucson

    1. Magalis Fuertes says:

      Add me owned a 2016 Hyundai Elantra suv

  10. Cassandra Cave says:

    Add me 2016 hyndi

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