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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3,222 thoughts onHyundai class action over excessive oil consumption dismissed

  1. Sharon George says:

    My 2018 Hyundai Tucson also has oil consumption issues. I am adding oil every week can’t keep onto of it. Yesterday the engine light came on flashing and the engine would not accelerate over 2000 rpms. I am beside myself cannot do without my car.

    1. Sherri says:

      Mine is the same and is doing the same! Hyundai is ignoring me and I just got the car last year!

  2. Phil Kemp says:

    Yes we have a 2017 Hyundai Tucson. We started noticing the low oil after hearing engine rattle. I checked the oil level and it needed more than 2 quarts. We have always done proper oil changes. I topped off the oil thinking maybe the last oil change place didn’t put the proper amount of oil in. After 2 weeks I was driving it and the low oil light flashed on and I was shocked. I had to add 2 more quarts of oil. Then I called the dealership. They said they neede to do an oil consumption test. We did the test. When we brought it back after 1000 miles, he said it had lost only 3/4 of a quart of oil and that it needed to loose like .9 percent to qualify as a problem. I said that doesn’t seem right when I had just had to put 4 1/2 quarts of oil in in the span of 2 weeks but they said we can keep trying to see if it burns enough oil to qualify to go to the next step which is trying to clean the engine. We halve done another test and we will see what happens

  3. Glen DeSoto says:

    I have a 2015 Kia Soul Plus that is sitting at my local Kia dealership as we speak. After getting the runaround for a few months (new excuse every single time), they finally told me I need a new engine and that Kia’s “Extended Warranty” ONLY covers engine failure due to rod bearing failure. So, the loss of hp, no compression on 2 cylinders, knocking engine, excessive oil usage, etc. must be “added extras” gifted by the manufacturer at no upfront cost to me! I’ve contacted MULTIPLE places (NHTSA, National Center For Car Safety, State Attorney General’s Office, etc, etc. Nobody can/will help with these issues. The cost of an engine is unacceptable and impossible for a family already juggling between paying bills, buying medicines, and affording groceries and gasoline. Customers should not be treated like this by a company we willingly put our faith and hard-earned dollars into supporting. I’ll never own another Kia vehicle again.

  4. Cindy Causey says:

    I have a 2018 Hyundai Sonata and I go through an excessive amount of oil. I get my oil changed every 3 months and never get to the mileage I should in that time and yet I either have to go in at 1.5 months and get topped off or I will have no oil on the stick when I go for an oil change.

  5. Matt Morse says:

    I have a 2012 Hyundai Veloster with a 6-speed manual with 167,000 miles. It burns about 1/2 quart of oil per week which is 400 miles. No noticeable leaks. The check engine light also comes on every other day and the P420 code must be reset by a code reader or the car with not start and the dash lights up like a Christmas tree. Very frustrating, but still runs and drives well. Please help!

  6. Philip Ferguson says:

    Need to add oil approximately every 1000 miles. Many other issues also

  7. Charles stump says:

    2016 Hyundai Tucson uses 2 Qts of oil every 500 miles or less!

  8. Vickie Waller says:

    I have 2015 Hyundai Sonata, burns oil, no leaks, I have to add oil every two weeks, sometimes 2-3Qts. I have replaced plugs several times that actually burned out, vehicle seems to lose power from time to time. Per Hyundai dealership this is normal for this model . WHY would a company sell these vehicles without informing the customer and NOW they do NOTHING about it !!! My suggestion NEVER NEVER NEVER purchase a vehicle from HYUNDAI. I’m stuck because can’t afford to get another vehicle at this time !!!

  9. David Daugherty says:

    My 2017 Elantra started burning oil rapidly after 100,000 mi as if I flipped a switch. Now I have to check it and top it off several times between scheduled oil changes. It stalled a few times while driving, which was scary. Made some crazy engine noises too, so I wouldn’t be surprised if there’s lasting damage. Hopefully this suit goes better than the paint defect that most of us suffered.

  10. Jessica Campbell says:

    Have 2017 Santa Fe and it’s burning oil like crazy! Had the oil changed a week after I got it and it was almost empty. 2 weeks later the oil light came on and it was almost empty. Took it to the dealer and they did some tests and said they can’t help me. They said if the bearings go out let them and they will change those for free due to some recall. Now I’ve had it 6 months and the 2nd cylinder isn’t working correctly, tried changing plugs etc. Took it to the mechanic and he said I need a new engine!!! Haven’t had the vehicle 7 months and I need a new engine!? Hyundai doesn’t stand behind their horrible products! We deserve new engines and they know it.

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