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. Hassan Bleik says:

    Owner of 2014 Elantra GT. Facing the issues described by the lawsuit. Will like to be a part of this class action. I’ve bought used cars with over 200k km on the odo, and this Elantra wants to blow its engine before even before that.

  2. LeAnn Ewing says:

    I have a 2014 hyundai santa fe and only had it six months and the engine went. I had to pay out of pocket for an engine and now that one is shot. I’ve only had it a little over a year. How can I become included in this lawsuit

  3. Ciji says:

    I have a 2017 Santa Fe that I really like but I’m going to have to find another vehicle because this one is burning through oil so quickly. How do I get in on the lawsuit?

  4. Jesse Bennett says:

    We have a 2017 Santa Fe with 93,000 miles. It stalled out and the check engine light came on. Took it to the dealer and they said it was low on oil and had engine knock. They said the engine may need to be replaced.

    1. Sergio Hernandez Jr says:

      I have a 2016 Sonata and have the same issue with oil consumption.

      I need to be included in this lawsuit

      1. Stephanie Downs says:

        I have a 2017 I get a oil change and 3 days later out of oil

        1. Letitia Williams says:

          I have a 2017 Hyundai Sante Fe. I took it to a Hyundai dealership and another repair shop. Both said I need a new engine. Hyundai said $8,600 and the repair shop said $6,900. I am pissed. I’ve already paid off a little over $18,000 on this vehicle. I shouldn’t have tobreplace an engine on a 2017 vehicle and it’s only 2022 now.

    2. Kelly menter says:

      I have a 2017 Santa Fe sport and am having same issues with oil consumption. My low oil light came on and it was down 4 quarts, at first we thought it was the oil change place. But 3000 miles later when I went for an oil change there was only 2 quarts in engine. I called dealership and set up appointment but it took 4 weeks to get in. During that time I have been a quart low each week.

  5. Victor Martinez says:

    I would like to be included, I started with oil consumpion about 1 year ago, then I had to replace the sparkplugs, consumming a lot of oil betwenn changes now again I have to change sparkplugs and get a conbustion chamber cleaning total 850 Dollars

  6. Nate says:

    This problem is happening with my 2012 Hyundai Accent GS. Started around the 92,000 mileage mark. At 96,397 miles as of this post. They need to include Hyundai Accent models.

  7. Melissa says:

    I had my vehicle in for two recalls. They did complimentary vehicle check and said no engine is registered on the dipstick. So, now I’m very concerned that the engine will fail.

  8. Ashley Rohm says:

    2018 Hyundai Tuscon. Religiously get oil changed every 5k miles on synthetic blend. Approximately 3k miles into my new oil change, my check engine light came on flashing and the knock sensor was triggered. Took it to a mechanic and he said there was absolutely no oil in the engine, and the low oil light was never triggered. Ended up solving the problem before the engine seized (thankfully). Now it’s been 2k miles since I had my oil changed last and I just checked the oil level myself and had to put a little under 4quarts in to fill it up. Burning through a quart every 500 miles.

    1. Matt Maynard says:

      I have a 2019 Tucson SE AWD. Bought it in 2019 for my daughter with only 11,000 miles on it immacualtely maintained, every oil change with Hyundai service center on time and around 55,000 miles, this thing requires that we add a quart of oil almost every two weeks, it is insane. There are no leaks to speak of. We had the dealer put in a new PCV valve and they replaced the exhaust (catalytic converter system) on a factory recall, both of which can cause oil consumption if bad. Neither phased this issue, it persists. I am hoping that Hyundai will make good on these for everyone, you don’t buy a new car and within 3 years time, expect it to die. Ours is less than 10 years and less than 100,000 miles of course, so I am hoping that qualifies for the engine replacement. Good luck to everyone and here is hoping Hyundai makes good!

  9. Kim Cox says:

    I have a 2017 Santa Fe that has constantly been losing oil and constant oil consumption, burning up spark plugs, the car will not run properly. They are telling me I have to pay $500 for an oil consumption test. Which is scheduled for tomorrow

  10. susan m ledbetter says:

    I have a 2016 Hyundai Tucson. At 1st oil light was coming on around 1200 before next oil change. So I started getting oil change more frequently. Then in June took it in for a recall for some system update. Now my oil light doesn’t come on anymore. Car starts driving loud & sluggish. So I check the oil & dip stick is clean. I add oil & car drives ok again. 3 weeks ago we had to add 5 quarts of oil again. Friday on the highway going to airport car starts getting sluggish and not driving right. I managed to get on the shoulder just before it died. It would start but not stay running. Checked the oil and again dip stick is clean. In 3 weeks 5 quarts of oil is gone ?? We added oil. Car will start & stay running but not driving right. Very sluggish. So now I have it at the dealership waiting to find out how bad it is. I’m furious. You can’t tell me that these manufacturers can’t figure what’s going on & be able to fix it. Why haven’t recalls for this been issued? I trusted Hyundai when I purchased my car. Have told others how much I love my car. I’m hoping I don’t have to change my tune.

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