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. Reyanna Haynes says:

    Same thing happned with my 2019 Hyundai Tuscson. Didn’t even have a it a year & got it during covid for what I “thought” was a good deal. Warranty came for engine & transmission. Engine went out after like my 6 overall general oil change. Dealership refused to use my warranty for the engine without any reason why. Left my car sitting in their lot for 2 months. Yeah, run me the contact info

  2. Karen Hobson says:

    I have a 2017 Tucson and started having to add oil at 50,000 miles. Between oil changes I am adding 3-4 quarts of oil. I brought this to the attention of the service dept at Hyundai and they advised to do a 1000 mile consumption test. Did that twice but they reported that oil level was fine. Thst means I drove 70 miles round trip twice for nothing. Wjen I asked the service guy about it, he said Hyundai warranty would not pay until I was having to add a quart of oil every 1000 miles. Really? What good is the warranty?? I do want to be added tk this class action suit. How can I make sure that I am?

  3. Dennis Lanni says:

    2017 Hyundai Santa Fe sport 2.0T
    Also I burn a quart every 1000 miles
    Totally u acceptable
    I bought this car new from rockland Hyundai New York
    I’m outraged , I would love to be able to be part of this lawsuit

    1. Vilma berrios says:

      I have 2017 Hyundai Santa Fe sport 2.0T. Car is totally out of oil before it hits 1,000 miles. Took my car when I had about 88,000 plus miles and they did an oil consumption test back in February. It’s now October car is in the shop and they want me to pay 10% for the engine and $900 for the hose because they are not included. I want to join the class action lawsuit.

  4. Frank McDonald says:

    We have a 2015 Hyundai Tucson. It consumes at least a quart of oil every 800 to 1000 miles. Sometimes more. We have already gone through the oil consumption test with Phil Long Hyundai only to be told that Hyundai believes this is normal but if we wanted it fixed we could pay for it out of pocket. This is a total black eye for a normally reliable auto maker. We would like to join the class action lawsuit.

  5. Lela Myles says:

    2017 Hyundai Sonata constantly has to be topped off for oil every couple weeks or so.

  6. Linda Jordy says:

    I’m am trying to joing my mom to the list she has a 2019 sonata that used 1 quart or oil in 500 miles and the check engine light came on. Haundai says it’s misfiring and the gas cap was not sealing right I have worked on cars for years and neither of those things will cause a car to use oil. Please let me know how to add her to the list.

    1. Jim Grogan says:

      2016 Kia Soul uses quart of oil in less than 1000 miles and turns black quickly after oil change. Hope the lawsuit succeeds.

  7. Lindsey Shumate says:

    I have a 2017 Hyundai Santa Fe Sport. I was one my way to Georgia from NC and my check engine came on and then my car stalled. I got it towed and the mechanic said that there was no compression in a couple of my cylinders. Hyundai said they won’t cover engine replacement because I’m not the original owner. Also, when I refinanced my car the bank canceled my extended warranty without my knowledge and never told me. The car dealership said there was nothing they could do for me expect issue a refund for my gap insurance. Now that my engine needs replacing, no one will help in this matter and I feel lost on what to do. The bank that financed my car didn’t tell me they were canceling it, nor did the dealership. I am on disability and simply can’t afford to replace my engine. I am thinking about getting a legal aid lawyer involved. I have to figure out a way to cover the fix but it won’t be easy. Someone please give me some advice on what I should do. I know there have been class action lawsuits involved from the same issue.

    1. Lindsey Shumate says:

      Also, every time I would get my oil changed or checked they said it was burning more oil than it should.

    2. Kelly schulte says:

      Same issue with my Santa Fe 2017. I have a warranty but they are dragging their feet. Hyundai won’t do anything. I would love to be in a class action against Hyundai if I could find someone to help me !!!!

  8. Brandon Lee says:

    It’s crazy how accurate all of this is, to what I’ve experienced. I’ve been dealing with this issue for over a year and a half. It started happening noticeably at 114,000 miles. When one day I was just completely out of oil in the middle of a road trip. I took it to my local mechanic and they diagnosed what’s as happening. Showed me that there was a TSB out of this issue by Hyundai. Over the course of the following 8 months they had me do oil consumption tests about 5 times. The service department at my dealership has been completely cold and unhelpful throughout the whole process. Trying to tell me that it’s normal in old cars to be burning oil. My sonata is a 2016. I go through all the consumption. Tests, followed by the combustions device that light I add, the guy at the real shop tried to talk me out of doing. Telling me there’s no point because it’s only a small change it’s gonna help. Knowing damn well that it’s a necessary step in the process of trying to get them to replace the engine. After the combustion service, there is a minor improvement. There is “exactly” 1 quart burnt off after 1018 miles, those extra 18 miles is how far it is just from my house to the dealership. He says “oh wow, looks like it better. You’re all good.” Stupid me, I’m like thinking ok, it is a minor improvement, and he never takes the following step to get pre approval to replace the engine because of that 18 mile margin. Fast forward 6 months. I just had to replace my spark plugs and coils costing me $1100. I brought it to another dealer to fix it and they tell me it was all really saturated with oil and my engine is clearly burning a lot of oil and will surely need to be replaced. Now I go back to them and demand they apply for the engine and I’m denied by Hyundai because I’m at 150,000 miles. This has been going on for about 40,000 miles!

    1. Amy Honaker says:

      I believe my 2017 Hyundai Elantra is burning a lot more oil than in the past within within a month I’ve had to fill my oil twice with 2 quarts each time. And I do believe it is causing some issues.

  9. Kimberly Chapman says:

    Same issue with excessive oil consumption in my 2018 Hyundai Santa Fe! I would definitely like to know more about the lawsuit and how it could help with my continued issues.

  10. Vince Ardolino says:

    My 2017 Santa Fe is experiencing all the above comments. Please add me to class action suit

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