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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3,223 thoughts onHyundai class action over excessive oil consumption dismissed

  1. Zach Ott says:

    I have a Kia K5 it’s got 11,000 miles on it and it was running great when I first got it and recently it’s been sluggish have totally noticed a change and I’m hoping that’s not due to Aliza lubrication I’m gonna go and check it right now actually and I’ll get back to you guys.

  2. Audrey Myers says:

    I have 2018 Hyuandi Sonata Sport. I have excessive oil consumption. I have to add every 2 days a quart and a 1/2 of oil. I have had it to the dealership. They stated since my car is over 100,000 they can not cover my car. I call corporate and they also said they can not do anything. It will be 100% out of pocket. They are stating that I need a new engine. No one but the dealerships will work on theses engines. To say the least I still have to make a car payment until the end of 2024 and my car will not be able to be driven unless I put an engine in it. I don’t understand I’ve always done all the maintenance that is required to the vehicle like clock work (oil changes, air filters, transmission fluid maintenance, plugs, coils, battery, brakes, rotors, tires, you name it, it has been done) I need someone to call me to let me get in on this lawsuit investigation. I want and need to be a part of it.

  3. Xavier says:

    Hi I have a Hyundai veloster 2015 and at 80k I notice the engine running with effort, checked the oil level and was in the low and remain 2k miles for change , I observed several times after added oil and after 1500 miles burned half , at 97k miles left the car in the dealer they performed oil monitoring, after I came back dealer they added more oil at the end they say thats normal, now Im 110kmiles and they keep saying that the engine is ok now at 1000k im at half level of oil, the car had a recall of the engine and also they dont repaired the lower part of the engine they said It passed their inspection. So definitely the engines had a problem of consuming oil and they dont respond to the situation.

  4. Ryan says:

    I have a 2014 Elandra GT about 130,000 miles. But I noticed back at about 65,000 miles that my oil would run low. It has progressively gotten worse over time. I’m having to add about 1 quart of oil a week, sometimes more. It’s really frustrating, and an added expense to me when things are already so expensive now.

  5. Keith Kimball says:

    I have a 2016 Elantra GT that is burning oil with 3 quarts required in between oil changes. This condition has been been going on for a year now. Appeciate ithe information that others have posted. Hyundia should do something about this condition.

  6. Jennifer says:

    I have a 2019 Tucson Hyundai and it burns through oil at an abnormal high rate. I am constantly putting oil in the car. I am worried one day my car will seize. Hyundai dealership hasn’t been able to figure out what the issue is and states that they don’t see any issues. So frustrating.

    1. Alberto Ramos says:

      I had a similar issue last year with my 2013 Hyundai Santa Fe Sport until my engine seized and a small piece of the block busted off, Hyundai said it was due to faulty knock sensor which was on recall so they replaced the engine. Last week 5/2/23, my car stalled on the highway and I towed it back to Hyundai and they advised my catalytic converter is clogged and they are trying to charge over $1,900 just for the part which I’m sure was caused by the burning oil off the old engine. So have your car checked out.

  7. Eliezer Melendez says:

    My son has a Hyundai Veloster 2017 and this car is consuming a lot of oil each two week or less. Every time is measured the oil level is really low.

  8. Bryan M says:

    thank god its not just me then. i took my car in just before the pandemic because of a class action settlement letter about oil consumption (im using just at a qt/week) they measured some bearing internally and said it was right within the wear limit so no new engine was authorized even though they did the oil consumption check and it was way outside limits. im glad someone is continuing to press this issue.

  9. Sheena Hookala says:

    My 2017 Hyundai sonata is eating about 1 quart per week. My engine is rough idling when in drive, with ac on, etc. Hyundai service department is taking forever to perform an oil consumption test claiming incorrect tooling and lubricant. Been waiting for 3 months with no resolution in sight. Took it in and no work was performed on my vehicle including the recalled software update. Worried my car is going to fail.

  10. Delilah says:

    I thought it was just my raggedy 2017 Hyundai Tucson, count me in!

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