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. Shawna Pearson says:

    I just purchased a 2015 Hyundai sonata it is currently in the shop having the engine replaced bc the engine locked up. Fingers were being pointed at me that I didn’t check the oil but not even 3 weeks prior I had just gotten an oil change done! I’m now out of car until my engine gets replaced the dealership will not get me a loaner so I’m on my own without a vehicle until they replace the engine with no set time frame not to mention I’m a single mom of 3 kids so this making it hard on me at this time.

  2. Kameron Alexander says:

    I have the same problem with the oil which is now resulting in other issues affecting the engine. Hyundai Sonata 2016, California

  3. Jennifer Westmoreland says:

    My husband and I own a 2015 Hyundai Sonata. We get the the car serviced regualry at the dealership. We have parked in the garage, over cardboard and tarps etc wondering were the oil was going less than 1,000 miles after an oil change. The car uses way more oil than a vehicle with an active oil leak. The dealership has bigger issues I guess to own up to a faulty engine. Wanting to charge thousands to just check and look and to say oh it’s nothing we see. Of course you can’t see inside the faulty engine unless you tear it down. Hyundai needs to own up nad pay up for their fault!!! Make this right Hyundai make this right!!!!

  4. Michelle C Chestnut says:

    I have a 2017 Hyundai Sonata that is experiencing this same issue. The car is burning oil excessively, I called the dealership and they told me I have to bring it in to start the consumption test, so I have an appointment scheduled today for an oil change to see how this will go. I am interested in being added to this Class Action Lawsuit with them.

  5. Debbie Taylor says:

    My Hyundai dealership took care of my 2016 Hyundai Sonata. I had to follow their protocol by bringing it in every 1000 miles. The dealership put in a new engine at no charge and I had a loaner car while my engine was being replaced. Thankful nothing happened to my car before the engine was replaced. So far so good.

  6. Susan Overton says:

    my 2017 Hyundai Tucson was almost dry of oil but not a drop on driveway. in told engine may need replacement

  7. Jennifer says:

    I too have a 2016 Sante fe sport burning a quart of oil every 1000 miles or less. Dealership first claim it was the pressure regulator and after replaced and problem persisted, now tell me this “is normal,” but I’ve never owned a car that consumed oil like this. Interested in joining a class action that holds them accountable for this.

  8. Jennifer Bolton says:

    I too have a 2016 Sante fe sport burning a quart of oil every 1000 miles or less. Dealership first claim it was the regulator and after replaced and problem persisted, now tell me this “is normal,” but I’ve never owned a car that consumed oil like this. Interested in joining a class action that holds them accountable for this.

  9. Howard says:

    I’m having this exact same issues! It sucks having to purchase oil every 1000 miles, even AFTER getting an oil change. This issue puts my anxiety on 10,000!

  10. Eddie Rafidi says:

    I have a 2016 Hyundai Sonata. For the passed few years I’ve always had to add oil because the oil light would come on. Now the oil loss is getting worse. Within 1000 miles of my oil change the oil light will come on and I’ve have to put 2-3 quarts.

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