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. Jaime Hewitt says:

    Adding oil every 600 miles! Please add me to this claim!

  2. Kayleigh L Chatman says:

    Would like to claim as well. Just bought a 2017 Hyundai elantra. Having this same oil issue and dealership tells me nothing to do.

  3. Merrin Plemel says:

    I am having the same issue with my 2017 Hyundai Tucson. I am always checking the oil level and refilling it. I took my Tucson in to get it checked and they wanted to do a $500 “oil change” to clean out the sludge! What? I should have stuck with Honda!

  4. Michael Gilmore says:

    Yep my 2018 Hyundai Sonata uses about 2 to 3 quarts a week of oil and contaminates the spark plugs yeah I drive a lot but that’s what it is.

    1. Christopher Rouches says:

      I have a 2018 Tucson and Hyundai just verified I was burning 1.2 qts every 1K miles. They did a combustion cleaning and it is down to 0.8 qts per 1K miles and said that was okay, but I’m not happy. Please call me so I can be added to the class action suit.

  5. Gabriel Ronquillo says:

    I had to replace the engine in my 2016 Tuscon

  6. Jimmie m Reynolds says:

    Add me. 17 Tuscan

  7. mary V vaubel says:

    I have a 2016 sonata sport I discovered on jan20 2023 my red light came on and I only had 1 qt of oil I bought car brand new sept 2016 my car had 59456 miles when i found oil problem oil change was not due for 1000 miles still have 59662 miles on car just paid it off I’m doing oil study?I already know it’s using oil dah! What do I do?

  8. Samantha Fowler says:

    I have a 2017 Hyundai Santa Fe AWD and I am having to put extra oil every month in my car.

  9. Tanya Smith says:

    I have a 2015 Tucson using 2 quarts of oil a week

  10. Stephanie Seemann says:

    Add me… 2015 Tuscon parked at the dealer now with oil consumption issues

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