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. Malissa Lowe says:

    I have a 2014 kia forte that has used 3 quarts of oil in 500 miles. The motor is going to lock up and Kia will not do anything. How do I join?

  2. Tasha says:

    I have a 2018 Hyundai Sonata and I having the same problem where my car is consuming oil and Hyundai is not wanting to do anything about it and telling to fill up my oil every week. How do I get in on this lawsuit?

  3. Sheila Taylor says:

    I recently have gone through the oil consumption test on my 2017 Tucson. Going in to have them check the oil and remove the lock on oil cap and filter. What if it happens again.? Will I have to constantly check my oil every 1000 miles. My car is still under warranty 95,000 miles. This is not okay.

    1. Michael McLean says:

      I had to start checking oil every 500 miles. Now the dealership has my car as the engine seized up. The dealership said my engine is a Theta II and they are dropping in a new engine. The problem is, it’s at least 45 days as so many people are having the same issue and having new engines installed

  4. Scott Vincent says:

    I have a 2017 Tuscan. We go through 2qts every 1500 – 2000 miles. How do I get involved with this lawsuit?

    1. Suzanne Thompson says:

      Same thing with my 2017 Santa Fe Sport. It is beyond ridiculous.

  5. Tammy Holmes says:

    I own a 2018 Hyundai sonata that uses excess amounts of oil. How do I get into the class action suit?

    1. Malissa says:

      I have a 2014 kia forte that has used 3 quarts of oil in 500 miles. The motor is going to lock up and Kia will not do anything. How do I join?

  6. Eric K says:

    I have a 2013 Hyundai Sonata and I am currently at 2,000 miles since I last changed my oil… my oil light is already starting to flash. I know they don’t include my year in this lawsuit but it should be!

  7. Harold Eifert says:

    I own a 2017 Tucson which I put purchased new in 2018 and I noticed mine during last oil change from dealership. They also did test but no issues but still consuming oil more than normal will mention at next oil change.

  8. Tricia Tabor says:

    I own a 2018 Kia Sorento LX 2.4L AWD, that was a “certified used car” when I purchased it two years ago, and it burned 4 1/2 quarts of oil in 2 1/2 months. Kia has started an oil consumption test, every 1,000 miles, and the nearest Kia dealership to me is 1 hour and. 45 minutes away. This has resulted in having to take time off of work with little notice, costing me annual leave, and valuable time to drive to and from the dealership. I was initially told that the certified used car warranty would cover any needed repairs, and now I’m told it won’t. I took my savings to pay the down payment on this vehicle, and I don’t have another $5,000 to buy another vehicle or replace the engine. I would have chosen another make and model of vehicle had I known of this issue.

  9. Melissa Mang-Harris says:

    I have a 2017 Hyundai Tucson with only 45000 miles and I am also having this issue, did not know anything about this until I googled to see if it was happening to others. I purchased this car in January 2018 brand new .

    1. Harold Eifert says:

      I also have issue with 2017 Tucson

      1. Kevin C says:

        We have a 2016 Tucson with oil consumption issue. We were told that Hyundai says 1 qt/1k miles is acceptable amount.

  10. Thomas Hopkins says:

    I have a 2016 Hyundai Sonata, that uses oil at the rate of a qt every 1200 miles. Dealer says that is normal, has less than 100,000 miles. I don’t agree.

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