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Logotype of Hyundai corporation.
(Photo Credit: Arsenie Krasnevsky/Shutterstock)

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.

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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3,133 thoughts onHyundai class action alleges excessive oil consumption

  1. Kellene Collins says:

    Have 2014 Hyundai Veloster. that is consuming oil at a high rate started out burning 2 1/2 quarts of oil every 750 miles and now it’s burning 2 1/2 quarts of oil every 400 miles I was told there was nothing I can do about it to just keep adding oil to it in my engine would eventually go

  2. AnnMarie Mahoney-Kent says:

    I have a 2019 Honda Kona whose turbo was replaced in August of 2022.
    In November of 2023 after driving for less than 15,000 with oil changes. Same symptoms with the oil and this
    time the engine is gone. Hyundai is refusing to replace the engine and it has not hit 100,000 yet.
    I have appealed and appealed and they are giving me the total runaround.
    I am contacting my Attorney General Next.

  3. Liberty Edgar says:

    I am just seeing this now. I have a 2018 Kia Optima LX that the dealership tossed in last minute after my old car was gone and I had no choice but to take it and not the vehicle I was to go home with (they wouldn’t tell me what happened to that car….it was a beauty and well maintained also not a Kia).
    I have had nothing but problems with the Kia Optima including it burning oil. I keep the oil changed and changed the pcv valve. Kia dealership gave me options of a $700 engine cleaning or a new engine at my cost, Kia gives me no options after being told several months ago I should see a recall on it but there has been nothing.

  4. Renay says:

    My 2019 Hyundai Santa Fe has an oil consumption issue too. 1000 miles 1 quart low, I’m told that’s normal from my Hyundai dealership. I have a 120;000 mile warranty, does this get worse as I drive it more?

  5. Andrea says:

    I live in Canada and have a 2014 Santa Fe XL 3.3L V6. I had the same thing happen. Suddenly over the last few months it has been burning tons of oil. I have always taken it to get regular oil and maintenance since day 1. It has just over 200Km on it but has worked so well for me up until the second last oil change I had in August. My car was towed and now I’m being told it ran dry for too long, it is damaged beyond repair and needs replacement for $15000. I just had an oil change two months ago and I barely drive it! Not sure if I can be a part of this class action lawsuit or benefit from it being in Canada but hoping to get the 2014 Santa Fe XL included in this.

  6. Stacey Adair says:

    I have a 2016 Hyundai Santa Fe Sport. Was driving one day and car started smoking out the exhaust real bad, no warning lights on dash. Stopped driving,
    got it towed. Dealer swnt to recall they denied it and now we are on the hook for new engine

  7. LERVING RINCON says:

    Tengo un Sonata 2016, 97000 millas, esta consumiendo aceite de manera excesiva. Agradecería su colaboración

  8. Merry Evans says:

    I have a 2018 Sonata that has suddenly within the last month started burning oil. We do regular maintenance on the car at our Hyundai dealer and all necessary suggestions have been taken care of by them. Nothing was ever mentioned about possible oil consumption. We are burning a quart a week now and we are retired, so we don’t go out daily. It’s going in for an oil change asap, however….the maintenance manager did say there are issues with Hyundai burning oil, so we’ll see what he offers us. The car has been perfect until now.

  9. Andre Robillard says:

    I own a Kia Sportage and have been having “oil issues” for a while now. The light comes on, I check the oil and even after a dealer certified oil change the level is always low. Every week or so I am checking/adding oil and/or the light comes on. After doing extensive research and conversations with the dealer who doesn’t admit a known issue, I am certain that I am experiencing the problems outlines in the lawsuit and cannot afford to spend thousands on temporary fixes until the engine seizes completely. Please add me to the list.

  10. Gregory K Vanosdell says:

    I owe a 2017 Hyundai Sonata. I change the oil every four to five thousand miles at my local Hyundai dealership, Earnhardt Hyundai in Avondale Arizona. While driving to the grocery store last week the oil warning light came on. I pulled into a nearby parking lot immediately and turned off the engine. I checked the oil after several minutes and was shocked to find no oil on the dip stick. It took three quarts of oil just to get the oil level above the add mark. I looked up Hyundai recalls online when I returned home and then called the dealership. I was told my Sonata was not included in the recall. How could that be? What due I do now?

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