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. Dave says:

    2016 tucson eco, same issues. No leaks anywhere but oil always low. Used to love this car, not so much any more.

    1. Marquita B says:

      I have been going through that also. I just spent $800 on replacing valve cover gaskets. After picking up my engine light is on after driving 67 miles. I took it back the tech whom repaired it got oil in the spark plug which caused a misfire and fire, I got called by the advisor and was told I wouldn’t be charged for the labor, but I would have to pay for the part that they needed to replace which was $76. I also have to take my car back after driving 1000 miles so they can continue to check for oil consumption. I was told that in May that I should do some type of service where they drain all the oil from the engine fill it up with some type of solution and then put the engine oil back into the engine and that may fix my oil consumption problem.. I was told by the service manager of the dealership that it’s a 50-50 chance that it could resolve the issue of my vehicle losing oil and a 50-50 chance that it wouldn’t resolve because that’s just how the cars are. I’m at my wits end. I also found that it’s a lawsuit for my vehicle for DCT issues which I have also. I will never purchased another Hyundai again.

  2. Brenda Miller says:

    I just took my 2018 Tucson in for an oil change and had no oil in the vehicle. No lights came on saying the oil was low. How do I join this law suit?

  3. Lauren Cullen says:

    Purchased a new 2017 elantra from a dealership and 4 years in,’y car keeps stalling out in the middle of traffic due to running out of oil prematurely – dealership and hyundai refuse to replace engine and all affected parts and instead have me coming in for oil changes twice as often and for Me to go to the dealership every month for oil checks. Also defective are the headlight bulb connectors. $1000 replacement for defective/cheap bulbs and connectors that crap out after 5 years!

  4. Yuri says:

    I literally put $60 worth of oil in my 2017 Santa Fe on Sunday and it was dry on Monday. Mechanic toot apart half of the engine, replaced several parts, filled it with fresh oil and it’s still leaking. I already paid $700 for the work and don’t know when it’ll be done.

  5. Michael Shoemaker, Donna Bourke says:

    Wow , we are having this exact issue with our 2015 Hyundai Tuscon. We end up adding a quart of oil every 6-8 days. We keep up regular maintenance on the vehicle, however today the car is hesitating and barley running.

  6. rich michowski says:

    I am havinf the same issue on my 2918 Sonata.

  7. Pepe Martinez says:

    I have had my Hyundai Sonata 2018 for about a year. I can tell you for sure that I had never had problem with another car as I am having with this one. Just by chance, after I was given the vehicle, I was told that it would need an oil change soon, so I proceeded to check the oil level as soon as possible just to make sure it was OK. Well, low and behold! The dip stick was below the low-level line. I could not believe it. I did not give that much thought, but after the oil change, I needed to make sure that it was OK and it was then when I realized that indeed the engine was burning too much oil. Then, as I am trying to find a response on line, I happened to find this link which I hope it helps solve our problems as I believe many of us are not in a position to pay for another car nor even the replacement of a new engine. I hope Hyundai comes up with a solution soon.

  8. Jerry and Susan Boxx says:

    We bought 2015 Santa fe has 114,000 miles. Constantly adding oil. Way before it’s time for a oil change and it’s BLACK! My dtr drives this car and lives out of town and we just can’t afford to buy an engine or new car. Its not even paid for . Just don’t know what to do!

  9. DAVID COGGIN says:

    We have a 2016 tucson eco. Checked oil 3 months after oil change and there wasn’t any. Check engine came on. Added oil and changed filter. Check engine light still on.

  10. Dorothy King says:

    Bought a 2016 Tucson. Always no oil when I went for 3000 mile oil change which should be a 5000 mile oil change because of synthetic oil. Hyundia kept telling me it’s not a problem. When it got worse and I had to add 4 quarts after only 1700 miles they finally said that the car was known for this issue. I was furious

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