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. Chris J Englehart says:

    I have 2017 Tucson that needs over a quart of oil every 1,000 last oil consumption test they add 2.5 quarts after a 1000 miles. Hyundai says, it is not enough oil being burned to warrant a engine replacement. I am at the dealer now. I am at 66,000 miles.

    1. Dennis phillips says:

      2016 Hyundai Tuscon burned excessive oil until engine failed add 2 quarts every 1000 miles

      1. Kirk Williams says:

        2016 Hyundai Sonata SE w/2.4L 4-cylinder enging. Burns 2 qts. every 1,000 miles. Looking at engine replacement or donating the car to charity. Stay away from GDI engines! They will all eventually start to burn oil. I am looking for an older GM car with the 3.8L V6. I’ve had two of them – well over 180K miles when I sold them and they didn’t burn a drop of oil.

  2. tim says:

    I’m having the same issue. 2013 accent 1.6L. I’m in Canada

    1. Ashleigh says:

      I’m in Canada also. Having the same issue with my car, 2012 sonata. I’ve done oil consumption tests and am burning on average 1.5 litres every 1000kms. Hyundai service department was very misleading, in the beginning I was told how many engines they are replacing for this reason, and on my last oil consumption test a different service advisor told me that Hyundai Canada would likely do nothing. Not impressed with how this has been handled so far.

  3. Greg Melton says:

    Click the facebook link at the top of this article and share it with everyone you can. Hopefully it will spread. Hyundai needs to be held accountable. I have been tracking this for a couple months and the list of people making comments grows all the time.

    Share it and check your oil. The lawsuit could take too long. There needs to be a ground movement of all those affected.

  4. Ezequiel says:

    2017 santa fe sport burning oil since 60,000 miles!!!
    Where is the recall , if we had known it to be unreliable we would have stayed away. We’re still paying full price!!

    1. Kili says:

      I have a 2015 and at 90000 and 2 qts of oil every 2000 miles this is insane and can’t trade in cause I owe more then trade in value

  5. Candace Edens says:

    we have a 2015 Hyaundi Santa Fe that recently had an engine failure, out of the blue. It’s an absurd amount of money to fix and we are very interested in this lawsuit and wondering how do we get involved

    1. Candace Edens says:

      Also we had no warning, no lights on our dash. We were driving and it died on us, we were able to creep to a gas station where we checked the oil and there was none!

  6. Alberto Ibanez says:

    I own a 2018 Hyundai Sonata SEL, and I must say the oil consumption is absurd. I can put oil today and by the end of next week its asking for more. Something has to give, the amount of oil we have to buy to make sure our vehicles are safe not only for us, but our families too. Since I moved to the States I have only dealt with Hyundai and I hope they will do right by its customers.

  7. Amit Vaid says:

    I have a Hyundai Santa Fe Sport 2018, that has the same issue of high oil consumption. I went to the dealer when the mileage was 98004 and complained that the vehicle is loosing power while moving from the red light stop sign. I also mentioned that the oil consumption is way more than the specification. They changed the oil and put me through Oil Consumption Test and during the test at every 1000km, the oil consumption was ranging from 0.25 L to 2.5L. Would I be eligible for the repair/replacement of the engine.

  8. laurie dougherty says:

    At least you had the warning light. I have a 2015 Sonata and no warning light. Dealer said car wasn’t equipped with this feature. Dumb luck that I checked and had almost 0 oil in the car. Took 4.5 gallons that day and has been a nightmare since.

  9. Laurie Dougherty says:

    2015 Hyundai Sonata – burning a large amount of oil since Aug. 2022. Hyundai did an oil consumption test and verified the car is burning a significant amount of oil but said there is nothing they can do. I would have to replace the engine on my dime. Started around 100,000 miles. At times I am putting 4 quarts of oil in within a couple of weeks of an oil change. Lots of people I talk to are having the same issue. When I was at the dealer, the 3 people in line had the SAME ISSUE.

  10. Amanita Mollier says:

    I just bought a used 2010 Santa Fe and realized within two days the oil issue. I’m trying to get the buyer to take it back but he’s refusing. It’s disappointing to read here Hyundai isn’t doing anything about it.

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