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. CRAIG S. HOLLANDER says:

    I have a 2016 Hyundai Santa fe Sport that the engine seized. It’s been at the Dealership that I bought it from since June 17th 2022. I bought it used in February 2021. With no warning it started to make a loud clacking noise & the engine light started blinking while I was driving on a busy local Illinois state road. It died while I was going about 45 mph. Luckily I was able to coast in to a neighborhood and stop. It wouldn’t start back up, I had it towed to the Dealership & its been there ever since. The dealership told me the engine seized & has to be replaced. They submitted a request to Hyundai USA, they denied the request claiming maintenance nelglect. We submitted again to the same result & have now asked the dealership to try 1 more time. Not holding my breath that they will honor the request to replace the faulty Engine. I’ve been without a car for more than a month now, the dealship won’t give me a loaner & it is at least $400 – $500 a week to rent a car out of pocket.

    1. Sara U says:

      This happened to us yesterday in a 2019 Tucson on I-5 N! Literally no warning, and the engine oil levels were fine before we left on our five hour journey to where we were going. Two hours into our way home, (7 hrs total driving time) The vehicle stalled and seized and we had to have it towed 150 miles home. In seven hours driving time a 2019 vehicle, with less than 20,000 miles on it lost all of its oil and seized??? Makes no sense.

  2. Sabrina says:

    I have a 2016 Hyundai Sonata and have completed two oil consumption tests which Hyundai says both didn’t use “enough” oil to warrant a new engine but continue to have car dealers tell me I’m likely consuming oil when I get it changed. How do I get more information to join?

  3. J Barkley says:

    Our 2018 Santa Fe Sport has started using oil like crazy! 2000 more miles till oil change and most oil is gone!

  4. michael hanvey says:

    Just got my oil changed on the 2016 Hyundai Tucson limited .mechanic said I have an oil leak and excessive engine noise .same vehicle had ever dash light come on and other systems failure approximately 1yr ago. Hyundai replaced “vacuum pump “. Not Happy will never buy or recommend Hyundai to anyone

  5. Michael Randolph says:

    I have a 2016 sonata and it uses about 1 quart every 800 to 1000 miles. Called dealership and was told hyundai acceptable standard was 1 quart every 500 miles. This is bull

  6. Lu H. says:

    Yes, 2017 Sante Fe; was told by the dealer that a ‘Combustion Clean’ might fix the issue. Was not given any other advice from dealer. Have to check the oil weekly especially after a long trip.

  7. Samantha Tangney says:

    My 2017 Hyundai Santa Fe Sport burns through 5 quarts of oil every week and a half to two weeks. It has been in and out of the shop through both our family mechanic and our local Hyundai dealership for the past 18 months and they cannot find nor fix the issue.

  8. La-Kisha says:

    I have a 2018 Hyundai Elantra. I’m having the same issues with my car having no oil in the oil tank. My engine stalled over a week ago and now they’re expecting me to pay for brand new engine.

  9. Kaila Smiley says:

    I have a 2014 Hyundai Elantra GT I get my oil changes like I’m supposed to. But I constantly have to check my oil levels and add oil before I’m due for an oil change. It’s becoming a hassle and I don’t like to travel out of town at all with this car. I called the Hyundai dealership and they state it’s nothing they can do and it’s not a recall currently.

  10. Cathy warren says:

    My boyfriends 2016 Hyundai sonata burns oil like crazy. He has to fill up every 1000-1500 miles. The oil burns faat

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