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. Kumar says:

    From Canada, have a 2017 Sonata 2.4L with about 135K kms on it. I have been experiencing similar oil burning concern since 6 months now. It taking a gallon oil per 3K kms.

  2. Nadine says:

    My 2017 Hyundai Santafe is having problem with oil consumption and required a new engine replaced under warranty but also cost me out of pocket additional 1700 dollars . why wasnt it all covered under warranty ?

  3. Shelly Ekkelboom says:

    My 2016 Kia Optima that I bought four years ago has been having issues since about a year after I bought it. Last year my car went into limp mode while on the highway and I was almost hit by a semi since my car immediately slowed unexpectedly. Took it to the dealership June 2021 they reset the code of p1326 and filled with oil and sent me on my way. It’s been having massive oil consumption issues ever since and now is currently not drivable sitting at the dealership again. The dealership told me my spark plugs were oil fouled and oil in the combustion chamber and needs an engine replacement but Kia is denying me because I have no warranty and it doesn’t fall under a bearing problem. I’m so super frustrated and without wheels now because of this

  4. Todd Newlin says:

    My 2015 1.6 Liter Sonata Eco has started using oil. Last oil change (which is done every 3000 miles as the manual states it needs to be done because of the Turbo) I was told that I brought it in with no oil on the dipstick. While driving after this last oil change, I found that right now, it’s burning about 1 quart per 2000 miles. I now need to carry oil with me. This should not be happening in a car that only has 75,000 gentle miles on it.

  5. Mike Bettenhausen says:

    2015 Sonata. Burns about 2 quarts every 1500 miles. So frustrating. Hyundai won’t do anything until the engine starts to knock or seize up.

    1. Shelly Ekkelboom says:

      Mine got so bad and was dumping 3 quarts every 1200 miles then it got less as it got worse. Before it ended back in the shop it was eating 3 quarts every 600 miles then took a crap on me

  6. David Jeffery says:

    My 2014 Hyundai Accent is doing the same thing burning oil every week. This is total B.S.! I have to put a quart of oil in every week.

  7. Johnsie Pruitt says:

    2013 Hyundai ACCENT is doing exact thing. Super frustrated that Hyundai has not included the 2013 ACCENT in the recent recall. No recall, no warranty and no car but still got a payment to make on a vehicle that I can not drive!!!! This is not an owner neglect issue but a manufacturer issue. How do I join the lawsuit? Located in NC

  8. Ted King says:

    Low miles 81k engine knock car died out had it towed to Hyundai they did nothing for me call them back the representative named Melissa told me I should bring it back to them had the car towed over to them again. After Hyundai having it 2 months was told that they wanted $21k to fix my car I don’t have $21k laying around talked to their Advisor like I was told to do so.he tried to charge me $390 after being told it was a diagnostics fee I told them that isn’t cool Chris told me he never did a diagnosis on it because it wasn’t cost effective and it was time consuming

  9. Stephanie Lawson says:

    I have been having this issue with my 2018 Hyundai Sonata the last few yrs now and no was able to tell me what was happening. I figured it out on my own just by doing research until I came across this class action. Now everything makes so much sense. I had to replace multiple parts on my car due to this issue.

  10. A. Nethy says:

    My 2018 Hyundai Tucson was almost out of oil at my last oil change 2 weeks ago, and it has lost 2.7 quarts in the two weeks since then. My mechanic sent me to Hyundai to have them do an Oil Consumption Test. With that much oil loss, I’m almost sure they’ll have to replace the engine. But, I have to come back in 1,000 miles and have it tested. This is very frustrating. How can I join the law suit?

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