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. Mandy says:

    I have a 2016 santa fe sport and since May 2022 been dealing with oil consumption issues. I have done multiple consumption test as per the requirement by dealership, they provided a combustion cleaning and repeat oil consumption test revealed same results. The consumption results show the car is burning 1 quart every 1,000 miles as of right now. I suspect that will get worse as time goes by and the dealership has no solution for the problem. Long Hyundai Chattanooga refers me to Hyundai USA to open a case which I did and it has taken over a month to get an answer back which was I can go to another dealership and get a 2nd opinion. Ok thanks Hyundai USA that does nothing for me. So now I’m back to square one and no solutions. I just paid my car off and this is now what I’m dealing with as a thank you for being a loyal customer. How about I trade my car in at that same dealership and I would be willing to bet they will not want to give me what its worth b/c of the known issues and then what sell it to another customer…

  2. Heather McNeill says:

    My 2016 has basically blown my engine for this issue. How can I join?

  3. Donna Whitaker says:

    I have a 2015 Hyundai Tucson. It has only 10,700 miles. Just before it turned 10,000 miles it started drinking the oil. We have added 5 quarts in the last 2 weeks….this soon after an oil change. No sign of any leaks.

  4. Stephanie Haverstock says:

    My 2015 Hyundai Sonata is consuming so much oil. Dealership refuses to do anything unless the rods are broken. Something has got to be done.

  5. Randy Kirtley says:

    I have a 2017 Hyundai Sonata Limited which I purchased from a dealer in Jan 2021. Thought it was using an unusual amount of oil soon after I purchased it, It has continually got worse and now is leakingoil in one piston around the ring, and has fouled 1 coil and now one plug and is now smoking badly and looks like oil in the end of the exhaust pipes. How do I join the class action law suit?

  6. Adnan Nazir says:

    I have sonata 2016 burning engine oil.

  7. Ryan Naeger says:

    2016 Veloster, I was wondering why after only a few thousand miles (after an oil change) my oil seemed to be low.

  8. Kyler Pierce says:

    I have a 2017 Tucson. Just had to have my cat converter replaced a few months ago and I’m being told the new one is clogged and creating the same problems again due to the oil consumption. Told I need a new engine.

  9. Angelique brower says:

    Yes my 2016 Hyundai Tuscan has been in shop for over 6 months without them calling me to tell me when it will be done it failed and I brought it in many times with the issue they replaced transmission still didn’t help them completely failed

  10. Amy Disbennett says:

    Yes!!! I wish I knew how to sue for compensation! 2016 Hyundai Sonata burns oil beyond belief and now they say it has a combustion issue!

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