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. Sean Martin says:

    2017 Hyundai Santa Fe 3.3L here. Check engine light went on out of nowhere. Oil was very low and replaced a bunch of it. Was told the engine needed replacement. Had the car for 6 months, at 97k miles, and warranty doesn’t extend to second owner. Now have been declined engine replacement multiple times and seems to be no hope of any help. Absolutely ridiculous form Hyundai. Any help out there? We have a lot left on the loan but we may end up having to eat the cost.

  2. Michael oeltjenbruns says:

    I bought a 2023 hyundai tuscon sel about 4 months ago by time I hit 1000 miles my low oil light came on it was 1.75 quarts low they told me that’s within guidelines of hyundai but they topped it off told me to drive it and if it gets low again bring it in I just hit 2100 miles and again my low oil light came on now they are keeping my car did not offer a rental or anything and said it’ll probably be next week before they “hear” anything from hyundai

  3. Jessica Stuart says:

    I purchased a used 2016 Elantra GT. I now have 101,000 miles on the vehicle after just paying off the loan. On two separate occasions my engine started failing as I was merging onto the highway. I am driving only on streets, as I was nearly hit by an 18 wheeler. No thanks.
    My engine is consuming oil rapidly. I had an oil change, and within 300 miles of driving the oil was completely gone. This happened several times. I’ve seen multiple recalls for other models, and zero for this one.
    I am now having issues with the car starting at all. I’m disgusted, and in no position to pay for something that is obviously a known issue that Hyundai simply refuses to acknowledge.

  4. Luke allison says:

    I have a 2016 hyundai sonata and it consumes so much oil. I have tried to clean the engine and it still rough. I don’t know what to do about the car. It’s the car I use to go back and forth for work

  5. Elise D says:

    2017 Sante Fe Sport – burning through oil for the last few years. Each time I go in for a routine oil change the technician says it’s dry. Also looking to join this suit.

  6. C. Hernandez says:

    2017 Hyundai Santa Fe, my SUV the rod went through engine wall. They approved a new engine a week later. Have had to bring it in for other repairs, need a new manifold and Catalitic converter do to engine total failure. The dealer has had to put to Catalitic converters, it’s only been a few days I have had it and new engine is burning half a quart for about 300ish miles. Also having other issues with the dealership repair that seem to be questionable. I would like to be contact regarding joining this class action suit.

  7. Cathy says:

    Just had my 2012 Sonata at the local shop because it was misfiring. We just put a quart of oil in it a week ago. Today they put 3 quarts in it. It is almost due for its regular 3000 miles oil change. This is totally wrong

  8. Edward L says:

    2018 Sonata Sport burning too much oil . Just had my oil change last month and had to put 3 quarts of oil in it today.

  9. Donna Rife says:

    I have a 2020 Sonata that has only 65,000 miles . I had the oil changed and still had over 20,000 before the next oil change and had to put oil in it twice. The first time over 3 quarts and the 2nd time 5 quarts. NO WAY should I have to constantly check my oil and have to worry about this issue, especially with a 4 year old I have riding in my car!

  10. Pedro says:

    I just bought a Hyundai Sonata 2023 6 months ago and got the oil change at the dealership on 7,000 miles, now the car has 10,300 miles and the oil stick is showing a low oil level… there is no visible oil leak.

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