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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3,224 thoughts onHyundai class action over excessive oil consumption dismissed

  1. Jessica Burris says:

    I have a 2018 Hyundai Tucson and back on June my check engine light came on but no oil light indicator. I took it to a shop and they said my car had no oil in it. I reached out to Hyundai and they refused to do anything about it. I have been adding oil to it ever since and have had regular oil changes and it is burning through oil.

  2. Brittney Graves says:

    All my 2013 Hyundai Elantra does is burn oil I am constantly having to add oil to it every week. Who wants to have to check their oil almost everyday?

  3. Beck says:

    I have a 2018 Kia Optima. I have had oil consumption issues since about 50,000 miles. I have completed two different oil consumption tests and been told to just “watch it”. I am now at a little over 98,000 and it has consumed 6 quarts in 4,000 miles.

  4. Stephanie says:

    I have a 2017 Hyundai Tucson and burns oil in half the time the scheduled oil change is due.
    Also, there has been a decrease in power, its been not as responsive when I press on the gas and feels like its going to turn off.

    1. Patti thumann says:

      Yes it burns oil between oil changes at regular oil changes per required by dealer.

  5. Anthony S. says:

    My 2013 Elantra burns almost all of its oil after 2i miles.

  6. Jeff McCoy says:

    207 Tucson SE used 3.5. Qts in 3000 miles.

    1. Jeff McCoy says:

      Correction: 2017 Tucson

  7. Mario Mancia says:

    I have a Hyundai palisade 2021, I do oil changes my self every 3500 miles on it. It consume about 1.5 quarts, it is not normal, I don’t understand why dealer ships keep saying it is with in range , that’s not normal at all to me.

  8. Suzanne Boardray says:

    2017 Hyundai Sonata purchased as the 3rd owner in 2021. Had bad oil consumption and poor engine quality from the 4th month. Replaced oil pan. was advised that this type of car just used a lot of oil. soon the oil was aggravating the plugs. the plugs were being replaced every 2 months like a tune up. I was advised that the test required to possibly replace the engine would require leaving my car in the dealership for 2 months but no loaner given. I wrote to corporate and was told they were not liable. the dealerships suggest that I keep changing the plugs until I can purchase a new card or trade this one in

  9. Mark Pfeiffer says:

    I have a 2018 Hyundai Santa Fe Sport (Base).
    In the last 3 weeks we’ve noticed the engine oil light coming on. I took the car in for an engine oil change, and there was no oil registering on the dipstick. The filter was changed and the oil reservoir was refilled. That was less than 1 week ago. In that time I drove just over 200 miles. The engine oil light is now on again. I’m preparing now to go out and check the oil level.
    We live on my military retirement and social security, and we CANNOT afford to have a car which uses this much oil!!!

  10. Donna Devito says:

    My 2016 Hyundai Sonata is burning oil. The dealership told me I need to bring in the car every 1000 miles for three times and then get my engine cleaned for $600.00 AT MY EXPENSE. I have brought it in 3 times and have lost 1 quart of oil the last time. I cannot get an oil change they told me. Thld me the alternative is to wait until the engine fails. Why do I have to wait until I am stuck somewhere.

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