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. Youssouf Diabs says:

    Same problem. I got 2016 Hyundai Sonata. I blew my first engine for now knowing the problem. Now I checked my oil level constantly and add it up.

    1. Jose Izaguirre says:

      Same car, same problem, Hyundai sonata 2016 much oil…

  2. VANESSA BENNETT says:

    ADD ME

    1. Claudia says:

      I have a 2014 Elantra GT and it’s been a great car but just had pil change on 8-26. They used high mileage oil and today I checked it as it was making a Loud noise and there was no oil at all. It burned through oil in two months with no leaks. Help… it’s paid off.

  3. Suzanne Rieter says:

    I have a 2018 Hyundai Sonata Limited. If I get the oil changed, my oil light goes on within a month. I use nothing but synthetic and I’m having to put up to 5 qts in it almost once a month.

  4. Tina belotti says:

    I have a 2016 hyundai sonata se and my car is burning oil like crazy I have to add 2 quarts of oil almost every week. After reading this I wish I would of known before I got. I got my car new 6 years ago I have low miles only 60000 it really sucks I paid my car off last year and now I gave oil problem that just keeps getting worse if anyone knows how to file a claim in florida please let me know thank you

  5. Joanne Johnson says:

    We have a 2017 Hyundai sport with the same problem. How do we join a class action lawsuit?

    1. Abid says:

      Same problem 2017 Tuscon

  6. Robert says:

    2014 Elantra GT. A quart for about 1000 miles. I think it is marginally unacceptable.

    1. Angela says:

      I’m having the same issue with my 2015 Sonata. I have to keep putting oil in my car between oil changes.

  7. Lance Miller says:

    My ex-wife and I own a 2014 GT Elantra that my daughters family uses and she has the same problem. We have to drive 40 minutes one way to a dealership every 1000 miles. We just finished our 5th trip. It was down 2 qrts after 1000 miles. They called back today and told my daughter they need to do a valve cleaning for $650 and then start the process over. It is a joke. We all know the problem. Help!!!

  8. Jessica Mccool says:

    I have a 2016 Hyundai Sonata has burned oil since I got it 3 years ago at 46,000 miles! It really is ridiculous the amount of oil that I have to add atleast a quart a week! We are now at 96,000 miles and still regularly adding oil! Have tried to figure out what the problem is and replaced a couple things in hopes it would help the problem but haven’t had any luck! It is kinda bull that Hyundai isn’t doing anything to fix the issue with so many cars with the problem

  9. Arlene says:

    This is talking about the state of California, but what about other states where engines have failed and are sitting on dealership lots and Hyundai isn’t honoring their agreement to replace the engine.
    Catastrophe failure to their consumers. Put me in touch with a law firm that is willing to file for the little guy in others states!

    1. Lance Stewart says:

      What Law firm are you using I’m in Illinois

      1. Arlene says:

        I am currently looking for a firm to take my case on!! Just left the dealership where my car is currently sitting waiting for diagnostic test to be run. They said I’m 14th in line ( I don’t believe them), they were overwhelmed with cars coming in and didn’t have a system in place, now they said they run approx 4-6 test per day. Even though it will take time for Hyundai to approve a new engine. I haven’t had my car since August. Fed up!!!

    2. John Throne says:

      I’m surprised that the 2014 Santa Fe is not in your article. I took mine in for my regular oil change and was told I was down a qt. Next oil change I was down 2. I started checking and adding myself but it was too late the engine blew. I filed a claim with Hyundai and after a couple of months I gave up. They offered to replace the engine for $8K. I was forced to buy another car at the height of the pandemic and paid way too much. Had the Santa Fe towed in and $3K from Carnac.

  10. Brenda McCarthy says:

    My 2017 Sante fe sport burns a ton of oil…

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