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. Daniel Mulligan says:

    I have a 2017 Hyundai Sonata that needs 1 quart every 1500 miles at least. Please add me to this list to know about how to be part of the class action suit.

  2. Alice Chess says:

    My oil disappeared on my 2017 Hyundai Sonata after having an oil change not even 3000 miles. The engine light came on and it just started jerking and choking all of a sudden after I took it in for 2 recalls one being the trunk latch and other the engine control module update. My car was driving perfectly fine until then. Once I received the car back it started stalling. I called the dealership and they told me that the recall had nothing to do with whatever was going on and they couldn’t look at my car with an appointment for another 10 days. I took my car to Firestone and they said” that oil was all over my spark plugs and that they keep seeing this with Hyundai’s.” I came home to look it up and found this class action lawsuit. Please help because Firestone advised “WITHOUT A NEW ENGINE, THIS WILL CONTINUOUSLY HAPPEN.”

  3. Thomas Pashegoba says:

    Currently at dealer now. I started experiencing a loud metal pinging sound only during acceleration. However after a recent oil change I also had to put in 3qts of oil. I brought my 2017 sonata in and they have me on an oil consumption test. 500 miles ago my dipstick read a heavy full. Now, 500 miles later it’s below low.

  4. P. Boudreau says:

    I have a 2017 Hyundai Tucson that started burning oil around 85K. I’ve done a few oil consumption tests with the dealer and it’s going through 1 – 1.5 quarts every 1k miles. Not at all what I expected when buying a Hyundai.

    1. Amy Brown says:

      My 2019 hyundai elantra is currently in the shop for burning oil and the dealership keeps trying to find fault when there is none, my car shut off on me when I left for work right in the middle of the road I could have been hit by another car, I could have been killed. And temecuma hyundai has had my car for two weeks, some guy named Steve was extremely rude to me and I a have been communicating with a Katie who is a hyundai case worker? My engine is under warranty my current mileage is 59,380 and I have been struggling to get to work which is 45 mi. Away from home. Katie said she was going to contact the Hyundai dealership in Temecula California to get me a loner and still I’ve heard nothing and it’s been over a week. I need to know what to do in who to contact to have somebody represent me I get my car fixed.

  5. Michelle Flores says:

    I have a 2017 Hyundai Elantra. We discovered the oil consumption issue when the car was still under warranty. I provided the dealer with proof of all oil changes. I had to pay over $500 before the the even began the oil consumption test. The did 3 oil consumption tests, each time my car lost between 1-2 quarts of oil. Hyundai considers this an acceptable amount. The changed our oil change schedule from every 7500 miles to every 4000 miles, because there would be absolutely no oil in my car if we waited that long. We have to constantly check the oil level. Hyundai should have replaced the motor!

  6. Maxine G says:

    I was just denied a new engine because my rod bearings was not the issue, it was oil consumption. I have a 2017 Hyundai Sonata

  7. Jim Schock says:

    Please add my 2017 Santa Fe Sport. 2.0 turbo to the class action suite. Less than 85,000 miles. Burning 2 quarts of synthetic oil in 3000 miles. Rick Case Hyundai tried to tell me burning 1 quart every 1000 miles is normal. BS

  8. Shalonda JeanLouis says:

    2016 Sonata! The amount of oil we have to add between oil changes is ridiculous!

  9. Kenn B Colclasure says:

    K. Brian
    Please add my to the list. 2016 Accent – uses 1 quart per 2000 miles, not bad compared to what others are experiencing but more than my cars with 200,000k.

    1. K.Brian says:

      2016 Accent with 72k.

  10. J says:

    2012 elantra same issue as others oil gone within weeks of oil change. REDICULOUS!

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