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. Nicholas Puskar says:

    Add me. 2015 Hyundai Veloster turbo. Apparently my vin isn’t part of the engine knock, rod bearing, and now this. Dealers are a waste of time, and shop mechanics just mess with more parts.

  2. Michael Blackmon says:

    Add me 1qt oil every 500 miles

    1. Cindy McKanna says:

      I went through 1.5 to 2.5 qt per 1000 miles

  3. Michael Blackmon says:

    2015 sonata 2.0. Add me to the list. 1quart every 700 miles

  4. V says:

    I have a 2016 Hyundai Sonata with a horrible oil consumption problem. The dealership has put me through hell to replace only part of the engine. This should be illegal

  5. SIDNEY G CORBETT says:

    I have a 2017 Santa Fe Sport AWD and one day I check my oil and it was almost 4 quarts low. The next time I took it to the dealer for its sceduled oil change I told them about the oil comsumption problem that I was having. They told me that they would have a request sent to Hyundai Motors to request an “oil consumption test” to be honored under my warranty.
    I was told to bring it to the dealer every 1,000 miles to have it checked and each time it used at least 2 quarts of oil or more. The last time I took it in they said it was 3 quarts low….IN 1,000 miles!!!!!
    I am currently waiting to hear from my dealer about whether of not they will replace my engine under warranty. This is very aggrevating and time consuming to say the least.
    Now last month I received a letter from Hyundai to indicate there is a recall for the anti lock brake system that could “catch on fire??”
    Now I don’t know how safe my Santa Fe is anymore. I need help!!!

  6. Peter says:

    Had to replace my engine because of these issues. Very time consuming and costly.

  7. Andy Walsh says:

    I own a 2017 Elantra 2.0 engine- starting to use oil- approx 2.5 qts in 5000 miles

  8. Lorinetta says:

    2017 Santa Fe. Started with excessive oil consumption. First told oil plug leak. Repaired but still leaking oil. Then hole in oil pan. Repaired but still leaking oil. Had five different repairs altogether but the oil leak is still there. Now the car is sluggish I’m told due to metal shavings in the oil. After spending over $3,000 I’m now told by one dealer that I need a new engine. Got a second opinion from another Hyundai dealer who says that engine compression is shot, whatever that means. His suggestion…“wouldn’t put anymore money into it” and that “Hyundai won’t pay for it.” I have not had transportation in 2
    months now. What do they want me to do? Keep paying a car note, towing, and insurance on a vehicle I can’t drive? Trying to hold back the tears but I am soooo frustrated right now I have a migraine. How do I get added to this lawsuit please?

  9. Theresa Rayl says:

    I have a 2016 Sonata. So many recalls and now the oil problems

  10. Kimberly Nowak says:

    I had a 2012 Hyundai sonata that had this defect and left my family and me stained hundreds of miles away

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