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. Nichole says:

    I have a 2013 Hyundai Sante Fe with this issue. The dealer is telling me there is no ETA on getting the engine to fix the vehicle. It has been over 3 months at this point. I want to be a part of this lawsuit.

  2. Katie Brown says:

    I have a 2015 sonata and it keeps throwing the knock sensor and going into limp mode. This is the third time it’s happened and I just bought the car in march.

  3. Jeff L McMillan says:

    I have a 2013 Hyundai Tucson Limited. I noticed it using oil at 56k miles. I shouldn’t have to keep checking the oil every week.

  4. Erika Lindberg says:

    I noticed on 8/12/2022 that my 2019 Kona LTD started consuming excessive oil. It was 1 qt low and this week I’m .5 qt low. There are not any deposits on the floor in my garage. The engine has stalled a few times but picked up each time

  5. Richard Henderson says:

    I have a 2013 Hyundai Santa Fe Sport that is using oil. I replaced the PCV valve and that has not helped. I performed a valve cleaning process and while I am confident that helped clean the upper outside part of the valves, the car still is using oil. Just took a trip of 700 miles and checked the oil when arrived at the destination, and it was down a quart. The vehicle has 155,000 miles. Hyundai should be doing something about this, as I have a 2006 Dodge Dakota with 245,000 miles that has no problem with the engine using oil.

  6. Maytee Diaz-Williams says:

    I have a 2013 Hyundai Sonata and same issues the engine is not holding oil. Im going through 4 quarts if synthetic oil in about a months time. Car just broke 80k miles. This model should also be included in the lawsuit and I’d like to be contacted

  7. Andres ojeda says:

    I have a 2013 Kia Rio and have very bad oil consumption. Have noticed excessive oil consumption ,I need to join this law class action lawsuit

  8. Laura Caamano says:

    Count me in!! I bought my 2017 Tucson new. I have taken my car in for all the regular schedules maintenance and oil changes. I’ve taken my car in for 8 oil consumption tests and they will do nothing. I was down 4 quarts of oil in 3500 miles. I shouldn’t have to add oil every 1000 miles. I was told they won’t replace or repair the engine unless my engine knocks or stalls. Hyundai is well aware of these problems. They are not honoring their warranty. There should be a recall on these cars.

  9. Sai Sunil says:

    Please count me in this. I have a Hyundai sonata 2017 se and have 70k miles on it and I’m running out of synthetic oil every 4000 miles which is very bad. I’m scared I’ll lose the engine soon.

  10. Susan A Horton says:

    My 2017 Hyundai Santa Fe Sport has only 59,000 miles on it and has been losing oil between oil changes but is keeps getting worse. Last oil change it was 2 quarts low. Now I’m having to add a quart every 5000 miles driven. Dealership is NOT being cooperative and it seems they are trying to ignore till I get beyond my 60,000 mile warranty. Very frustrated in Spartanburg, SC.

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