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. Shannon Heffernan says:

    2015 Hyundai Santa Fe limited AWD, 47,692 miles..
    Engined Failed while driving 50 mph yesterday, lost all gas power then engine, battery, and oil dash lights lit up, and engine shut down, engine won’t turn on and started leaking oil everywhere, electronics (radio, lights, ect) still work… the internal computer didn’t have any alert lights, no sensors, or high heat gauges prior to the complete engine failure…

  2. Fred Ramirez says:

    I live in Oregon. Can I join the lawsuit filed in California?

  3. Danette Smoot says:

    I had a 2016 Hyundai Sonata and my car had been into the shop for several test to be told that my car is consuming to much oil and Hyundai will not replace the motor again they replaced it once after 2 weeks of owner ship only to replace with the same model of engine that was previously recalled

  4. Brandy Biddle says:

    Please add the 2014 Hyundai Sante Fe sport as well. I just almost dies on the highway hours away from home. My engine light came on out of no where and my engine cut off. I am the second owner and never had major issues like this with any other vehicle. Now I had it towed at my expense to their dealership.

  5. Jacqueline says:

    I have a 2014 Hyundai Elantra GT and we have oil problems

  6. Kim Ray says:

    This applies to me in North Carolina. Engine burned oil much faster than it should, although I was consistent with oil changes and on time. Was having to add oil in between the past year. Ended up with “sludge” build up, although oil changes done regularly. Engine failed, on a busy road during rush hour, last month. My teenage son was driving and it put him at risk. Absolutely NO warnings, no check engine light, no noises. Hyundai took 2 weeks to respond that they would not replace, even though an engine should not be failing at 98,000 miles-warranty or no warranty. Another 2 weeks before dealer ordered engine (and I had to hound them to get this done). Told engines very hard to source (wonder why?) for this vehicle. Almost $10,000 to replace and I owe that much on the vehicle currently. No loaner vehicle provided and looking at indefinite time to replace. I’m stuck with a vehicle that I know will do this again (same engine) in a car I can’t unload because I owe too much and now have to finance a new engine. It has been an absolute nightmare.

  7. London Yarbrough says:

    I live in Ohio and have a 2015 Sonata with the same issues. Can I be added?

  8. Melissa says:

    I have a 2016 Hyundai Sonata sport with the same issue. Oil is burning like crazy and I’m adding 7-8 quarts of oil between oil changes. I would like to be added to this suit if possible , thank you

  9. Letty Garnett says:

    I own a 2018 Sonata. I’m the original owner and I’ve always taken exceptional care of my car. Last year, I started having oil consumption issues. The dealership keeps denying I have any problems … even though i have to add a quart of oil every 240 miles. I’m in Texas, not in CA. Can I still get in thr lawsuit?

    1. Michael Taylor says:

      I have to add almost 2 quarts of oil each week

  10. Kathleen Spitaels says:

    Hyundai Kona 2019 — please add me

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