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. Dan Perkins says:

    I have a 2017 Hyundai Santa fe. I have an oil consumption problem. Which has resulted into a possible rod knock. Can I get more info. on getting added to the list.

  2. Rebecca Wilde says:

    My 2017 Hyandi SanteFe Sport is consuming oil. It has 34,000 miles.

    1. Mark Nichwitz says:

      My 2017 Hyundai Sonata is burning excessive amounts of oil. I already had an engine failure which resulted in a $1400.00 expense for an engine cleaning. It is still burning oil such that I have to add every 60 days.

  3. Lance Nakamura says:

    I purchased a 2015 Hyundai Sonata GLS new and overall, it’s been a good call. I take very good care of my vehicles with timely maintenance. Approximately this time last year when draining my oil, I noticed only 2 litres of oil drained. I’ve kept an eye on the oil consumption since and it’s terrible. I noticed that the oil goes from golden to black extremely quick as well, therefore needing me to change my oil 2 to 3 times more than the recommended oil change intervals. I’m also having to constantly add a small bottle of oil to the engine frequently to ensure the oil levels are maintained. This is extremely frustrating and am no longer confident that this car will keep running reliably.

  4. Tawnya says:

    I have a 2016 Sonata and I have changed the valve cover gasket and it stills burns oil.. I have to put a Qt every month in my car.. and I have maintenance records.. how do I join the lawsuit??

  5. Mike Odom says:

    I own a 2017 Elantra. I bought I new. I have had to add oil to it. It doesn’t leak oil. I found it hard to believe that an engine in this day and age burns oil; so I Googled it. Here we are. Unreal. Yes this is costing me money. Any info is much appreciated.

  6. Caleb Warner says:

    I own a Hyundai Santa Fe 2014. It has the 3.3 L V6 GDI engine. It burns oil and I have to add a quart of oil every 500 miles. The engine has 130k miles on it.

  7. Preetham Churkunti says:

    I own a 2015 Hyundai Sonata Eco (1.6 liter turbo engine), this car lost drive on the highway at 91000 miles still under Powertrain Warranty. Hyundai has been bouncing me from one person to the other despite showing clean service record. Similar symptoms of oil gunk in the valve covers is found in my car. I have called the BBB auto line and they were saying this car is not covered in existing lawsuits.

  8. Maggie Larcher says:

    My Hyundai Sonata is still under 100,000 warranty. I have been going through “tests” to see how much oil I am actually burning every 1,000. First they said, “Oh, you need a new valve cover, it is leaking.” I pointed out they had previously done this repair 1 1/2 years ago under warranty. So, he said, “that was then, we need a new one”. It was covered under warranty so I said, go ahead. Then the next test, at 1,000 miles, they said, “you are only burning 3/4 of a quart every 1,000 miles. That is normal”. I said, that is not normal. I have been in touch with Hyundai GM complaint line and they said, take it to another dealer for second opinion. That is scheduled next week. I have proof from the shop I take for oil changes ever 5,000 miles that I am way low in oil when I come in. I sometimes have to get a top off every 3,000 miles or so. This is ridiculous. They need to offer a new engine or fix the problem

  9. Krista Jo Dusek says:

    I have a 2017 Santa Fe Sport – i was recently my car is burning oil. I need to join this lawsuit – please advise how

  10. Laeloni Sprague says:

    My 2018 Hyundai Tuscon drinks oil and tonight it stalled out and has a horrible knock in the engine. How do I get on the list?

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