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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3,222 thoughts onHyundai class action over excessive oil consumption dismissed

  1. Marcia Edwards says:

    I have a 2017 Sonata every two weeks I have to put in 1 qt of oil. This started in August of 2022. I have been getting an oil change every two months plus putting in the oil. I will never buy an other Hyundai

  2. Julie Dotson says:

    2014 Kia Forte Ex, 86,000 miles here. I’m original owner and still under warranty until April 15. At roughly 75,000 miles it started burning/losing oil, at a very rapid rate. After Kia verified it had lost 4 quarts of oil in less than 2 months and 2,500 miles, they finally (last week) started the 3 part oil consumption test. More needs to be done by Kia/Hyundai to correct this known issue. Thankfully for the next month, my car is still under warranty.

  3. Sheila says:

    2016 Hyundai Veloster – started having engine problems and consuming large amounts of oil right around 105,000 miles. Just under a year ago. Hyundai says I need a new engine but not qualified under recall. Want over $12,000 to put in new engine or about $9,000 for a rebuild. For a car I paid just over $13,000 for used in 2018. Obviously not going to do that. Car is in limp mode – mechanic elsewhere verified won’t go over 60mph and struggles to meet that. Not safe to take on interstate. Using it only to drive around town and still making payments on it. Will NEVER spend another dime with Hyundai! Worst car experience I have ever had. Hoping this lawsuit moves forward.

  4. Jacki ford says:

    We have 2017 hyundai sonata and 2017 Santa fe both of them consume oil like crazy at regular oil changes they inform me EVERY time its low on oil so tool the Santa fe in for oil consumption test they are saying oh its gaskets and those aren’t covered so 300$ out of pocket to trouble shoot at my expense.my sonata is at the dealership right now getting a oil change even though I just had Jan 24th and still have 1k miles to go before I require one once again the trusty oil light is on letting me know my oil is low so I’m getting a oil change and starting the process of the oil consumption test on this vehicle now this is insane. Also my white paint is chipping here come to find out that is covered under their extended warranty due to faulty white paint at first they tried to tell me I didn’t meet the deadline according to the date on my inside door but the Vin number said other wise and they are now submitting photos to get approved to fix my paint. Hyundai is a joke anymore

  5. Audrey says:

    2018 sonata Before my 3000 miles oil change I have to add almost a whole big jug of oil because it is so low. I’ve changed pcv valve and that didn’t work. Last oil change was a qt and a half low and that was only two weeks after changing the valve and adding oil. Is there a recall yet?

  6. Terry says:

    Saw the dealer today. They my vehicle doesn’t qualify for the recall. Wrong year. Doesn’t qualify for the class action lawsuit extended warranty because it’s not making sounds like a bearing problem and so now I’m starting an engine oil consumption test. A 1000 mile drive and then measure the oil loss. If over a quart then another more expensive test and basically a cleaning has to be done (More money) before another 1000 mile dive. I’m gonna put my foot down on not me paying for the cleaning. Too much money for the customer to pay for a known problem. We’ll play it by ear but as they said earlier in the article, Hyundai should “Man Up” to this problem instead of trying to shaft the customer.

    1. Amparo Garcia says:

      I have a 2015 Tucson and had that issue and struggled for some time after 5 test they replaced the engine but it was a head ache and I’m still having issues with d car

  7. Terry Brandenburg says:

    Excessive Engine oil consumption
    2018 Hyundai Sonata 116k miles
    No knocking yet. Seeing the dealer today Hopefully they will man up and do the right thing but they want me to pay for at least 3 oil consumption tests. ($1400.). I also have an extended warranty I bought with the car. Maybe that will do something.

  8. Fabian A llinas says:

    I own a Hyundai Veloster 2014 with 125,000 miles; it is consuming more than 1 quart of oil every 1,000 miles now. I need that Hyundai respond and fix this.

  9. Kevin Giles says:

    My wife’s 2018 Hyundai Santa Fe Sport with almost 85,000 miles has started to consume nearly 1 – 1.5 quart of oil per month. This seems excessive and an issue Hyundai should fix. Cho et al. v. Hyundai Motor Company, Ltd. et al. class action lawsuit has not been settled yet with defendants (Hyundai) having until March 12, 2023 to file a response. No hearings are scheduled until June 2023. Hopefully, us drivers can and will prevail in this suit!

  10. Rob Sowers says:

    My 2015 sonata 2.0 turbo sport uses a quart every 1000 miles..it has 71000 miles and cant use it to go on long trips due to the problem..I am the original owner and think hyundai should fix this problem.

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