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. Elizabeth A Carter says:

    2017 Hyundai Santa FE

    1. Mary E. Weilert says:

      Same. Taking it in for oil consumption testing every 500 miles. Using 1.5 quarts of oil per 500 miles currently.

  2. Charles Malcolm says:

    Elantra’s burning oil, destroyed the catalytic converter….estimated $4,500 to replace the catalytic converter, and the dealer told us to drive the car until the engine seizes up, then the company might consider honoring their warranty. The exhaust from the failed catalytic converter makes the vehicle toxic to drive with low gas mileage…we bought the car because of the 10-year, 100,000 powertrain warranty. No way are we putting a dime into this car…we’ll see if Hyundai has integrity. 82000 miles….

  3. Annette Solomon says:

    I have a 2018 Santa Fe that is drinking the oil. Had oil changed two weeks ago and put 4 quarts in today.

  4. Mercedes Michetti says:

    2015 sonata. Bought new. They say I need oil change receipts which I dont have.

  5. Scott says:

    Our 2017 sonata goes through about 6 quarts a month. It’s like having a monthly oil change. Totally unacceptable.. now it’s just limping along

  6. Nickalus S Mainor says:

    I have a 2016 Hyundai sonata and it’s burn oil bad,smokes,and oil on sparks plus causes me to have to replace them regularly..I want in on lawsuit..

    1. Jitendra says:

      Same issue idk what to do…

    2. Brenda Morton says:

      Me to. Needs new spark plugs fire 3rd time in 12 months. Dealership said I new a combustion chamber clean service done and it will fix the oil consumption problem.. I told him from what I understand that is not a solution, that’s a “bandaid”, only to temporarily fix issue if that. The engine is the”heartbeat” of your vehicle,
      If it doesn’t perform properly it affects the whole vehicle. The service manager at Hillsboro Hyundai said “I am done with you”, you just want something for free! He is a real gem, name is Mike. He just was not successful at lying to me. Hyundai needs to take ownership of their shitty vehicles, nothing will be done for the consumers until your car spontaneously starts on fire or it throws a rod. Crooked company. The NHTSB needs to look into this, it has created so many hardships for thousands of Hyundai owners. Shame on Hyundai…

  7. Rod says:

    2016 Tuscon drinks tons of oil. I’m in!!!!

  8. Seth H. says:

    2015 Sonata se, never buying foreign again

    1. Clifford Lynch says:

      I own a 2016 hyundai santa fe sport with less than 117,000 miles. It has start using 6 plus qts of oil between oil changes. Hyundai told me unless I pay them more Money they can’t help me. 100 plus dollars in oil is beyond ridiculous.

  9. Michael Mata says:

    Engine failure

  10. Michael Mata says:

    I have a 2016 Sonata.
    I took my vehicle to Hyundai here in San Antonio,TX because it was burning oil at a fast rate. I was using about 5 quarts a month (driving about 1,400 miles a month.
    After they preformed an oil consumption test they informed me that my car would have major engine failure and that it was not a matter of “if” but a matter of “when” it would happen. The nice service guy informed me that when it did happen it would be taken care of because Hyundai is fully aware of this problem. 2 weeks ago I started having some issue. I took it in and just informed me today that my engine replacement was denied. Smh.
    What can I do?

    1. Jitendra says:

      What was the reason of the denial?

    2. Wendy Espino says:

      Purchased a 2017 Sonata July of 2022, Same Problem Hyundai Mechanic told us to drive 1000 miles to check oil levels and to bring it back for a engine clean for $700. My personal mechanic told me Hyundai has to fix it, And it should be included in the warranty to take it back. Other wise it will be very costly at least 10K SIGH!!!!!!!!!!

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