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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3,223 thoughts onHyundai class action over excessive oil consumption dismissed

  1. Marvin Austin says:

    I have a 2018 Hyundai Sonata and it burns through oil like crazy. Have to put in 2 extra quarts of oil half way through the oil changes to keep the oil light from coming on

  2. Richard Cillo says:

    2018 Santa Fe. Hyundai has followed the guidelines, and it passes the 1,000 mile test. Before I get to 3,000 miles it is bone dry. Going back again to have them run the tests again. Not sure how they get away with this issue on so many cars. My neighbor had to sell his Santa Fe. Another friends Hyundai caught fire when driving it.

  3. Sherri Perkins says:

    2018 Kia Optima started burning oil at 86,000 miles add oil often , check oil every 3 days , Dealer knew these cars had this issue and they sold it to me anyway , they R Sorry Things

  4. Lloyd Smith says:

    Please have someone from your Law Firm contact me so that I may join the class action lawsuit against Hyundai over the data engine failures. This is the second engine that has failed on my 2015 Hyundai Sonata in 3 years! I need Hyundai to help me out in this situation because I can’t afford to replace the engine for a second time again

  5. Lloyd Smith says:

    I would like to be included in the Hyundai Sonata excessive oil consumption class action lawsuit. I have a 2015 Hyundai Sonata that I had to pay to have the engine replaced 3 years ago because of the problems with the data engine. I never received complete reimbursement for my expenses. Unfortunately the same car and the same engine has now went out again. The connecting rod broke just like in the previous article it is a defect from the manufacturer. I would love for someone to contact me so that I can join this class I can lawsuit because I’m stuck with a car that I cannot drive and I want Hyundai to get me a rental until they can fix my car. Please contact me as soon as your earliest convenience so that I may get signed up for any pertinent Hyundai class action lawsuits that are out there. I need help and I need it fast!

  6. Lovie Checkal says:

    I drive a 2017 sonata. I am the second owner. My carfax never reported any issues other than usual upkeep. I’ve driven this car no more than 5k miles. I am on my 3rd set of spark plugs. I’m using 2 quarts of oil every 2 weeks. Oil is being found in my spark plugs.

  7. Veronica Lambo says:

    I put a down payment on a 2017 Hyundai Tucson in April 2023 after having a bad car accident when a man totalled my (paid for) old vehicle….I was so excited to be getting an SUV the Tucson seemed so perfect for me.
    After 2weeks of me having it I had to take it back to the dealership for an inspection and it falsely passed the 1st time about a week later Had to take it back because of the stalling, come to find out it had no oil…so got an oil change and another 2weeks go by and my check engine light came on so back to the dealership & they kept my “new” car for another 2weeks and by this time my first car note was due, guess who paid it …the dealership because it was still their possession…now todate I myself have been pouring oil in the car @least 2x a month (extra $100) with an oil change ($85) each month to get the filter changed and I have to use premium gas to stop the jurking. I’m really upset because I loved my old car and now I’m stuck with a vehicle that is costing me way more then expected

  8. Sebrina Urban says:

    I have a 2017 Hyundai Santa Fe. I have been having oil consumption issues since March 2022. The combustion test and all was done, no difference, just getting worse. I’ve gone back to the dealership every 1,000 miles with it being 2-2.5 quarts low. It has gotten worse and worse. I am now going back every 600-700 miles because the oil light faintly illuminates off and on when turning corners and stopping. It is now 3.5 quarts low every 600-700 miles. Last August, my check engine light came on and the car was misfiring. It was a code for the spark plugs. I replaced the all the spark plugs because their was oil on them, from excessive oil consumption. In the midst of this, the check engine light came on again and started blinking, the car wouldn’t go over 16 mph on a highway. I drove it right to the dealership. It was the knock sensor, which they replaced. This year, last week, I had the engine light come on and the car was misfiring again…. Took it to the dealership. Needed spark plugs again because there was oil on them from excessive oil consumption. The dealership even said it is a major issue. They submitted a claim to Hyundai, Hyundai offered to pay 50% because I’m the 2nd owner… what a joke!! I’ve been on the phone with corporate and they don’t care. They say nothing and sound like a recording “Hyundai offered to pay 50% that is all we will offer because you are past your warranty”. They are well aware of their excessive oil issue and are not taking responsibility for this! This vehicle is a safety hazard! Unfortunately, I still owe money on my loan for this vehicle and am not able to get another vehicle at this time. We shouldn’t have to pay for another engine for something Hyundai is well aware of but are being negligent to take the responsibility of their vehicles!

  9. Michael Albers says:

    My wife and I have a 17 Hyundai Santa Fe, 3qts of oil every 200 miles… new plugs every 2 weeks.
    Had been told by dealership that nothing could be done unless the check engine light was flashing and it stalled, once that happened our service history mysteriously disappeared and they said they aren’t responsible.

  10. Wilson B says:

    I have a 2018 sonata sel, it’s been burning oil for the last 3 months the dealership told me it’s normal with the gdi engines (LIE) two months ago it started stalling I took it in cylinder 3 misfire got a tune up 5 days later cylinder 3 misfire they kept my car for 3 weeks said after they cleaned the spark plugs there wasn’t any problems I took my car drove for 30 minutes cylinder 3 misfire took it back they said it was my fuel injectors which was causing the oil consumption and stalling and which wasn’t under warranty $1,200 got new injectors. I had my car for a week and it started stalling and you guessed it cylinder 3 misfire and no oil I’m so done with this car

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