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. Shelly Mellon says:

    I’ve been having to put oil in my car and it uses a lot of oil and it’s a Hyundai Tucson as well where do I get on for this lawsuit

  2. Daniela Rodrigues says:

    What happened with me, is this: I bought the car on August 29th, and 15 days after I bought the car (September 15th), the engine light came on on the dashboard and I stopped at a mechanic shop to have it checked, and the engine was without oil. There was no leak, but the engine was making the oil disappear somehow.

    That same day, I informed Mário what was going on, and he tried to make an appointment at Ed Voyles Hyundai for the mechanic to check and identify the problem, but he was only able to make an appointment for the 28th of November.

    As the engine oil got low, I needed to top up several times to make sure the engine didn’t burn out completely.

    I went to Florida on November 5th, but I had to stop and sleep at a hotel in the city of Greenville, because the car was shaking all over, with the engine light on the dashboard flashing.

    I spent the night at the hotel, rented an RV, and drove the car back to Georgia, dropping it off at Hyundai Ed Voyles, as Mario had made an emergency appointment to check on the car.

    I paid nearly $200 to have the Hyundai mechanics at Ed Voyles tell me it was the catalytic converter and not the engine. I picked up the car from Hyundai Ed Voyles and took it to Fairground, which is part of the extended warranty service network I purchased with the purchase of the car. Attached is the diagnosis: engine.

    My questions are, how did this car pass the safety and quality inspection? And how could it be sold as it was?

    That said, my requests are:

    1. Fix the car completely – engine and also everything that is missing maintenance, with all the warranty that I am entitled to from Hyundai/Valuemax/Manufacturer, so I have a decent car.

    2. Reimbursement of all the costs I incurred because you sold me a car that I cannot drive.

    Someone, can help me, please?

  3. James Ambruso says:

    Hello All, I have a 2018 Sante Fe and I was driving up to Greene, NY and I found the car shifting like crap. So I checked the oil and it was EMPTY. I had to add 5qts. I was Shocked. I checked it again a 1,000 miles later and it was down 4 qts again. As a Retired mechanic I know what to look for and it’s not burning out the tailpipe. What do I do about this situation???

  4. William Turner says:

    I have a 2016 hyundai sonata 1.6t eco and have to add a quart every week I have only 90,000 miles on it what can I do to prevent this?

  5. Lynne M McNutt says:

    2016 Sonata with 86,000, burning 1 quart every 800 miles- no leaks, no knocks, no stalls yet but adding oil every month☹️

  6. Hiep Xuan Nguyen says:

    I have a Sonata 2016 with 140,000 miles on it. The oil consumption is terrible. After changing oil and running for 200 miles, the oil is very low and I can see the engine light turn on and off frequently. I check the oil level and it is low so I have to add oil to it to keep it running. It happens very often that I worry that the engine may fail one day.

  7. Hiep Xuan Nguyen says:

    I meant 200 miles not 200K.

  8. Connie & Tony McAbee says:

    We own a 2017 Hyundai Sonata. Basic model. We have noticed it burning more oil than it should since it hit 45,000 +/- miles. Taking it this week to get it looked at. Last time our oil light came on, I just went and had it changed. I was about 500 miles shy of being due for one. This time, I’m about 1500 miles shy and my light came on. Sure enough, checked the level, it was extremely low on oil. I bought a quart and it didn’t do a thing to the stick!!! I’ve already called my local Hyundai where I bought the car, and will be going in this week. They told me no appointment needed, just be the before 6pm and they will take it straight back and look at it. That being said, I plan on being there by 4pm!! They even said they know about the recalls!!!! Now to wait and see what they will do!!!

  9. Kim Toenjes says:

    I have a 2015 Hyundai Sante fe limited with only $69,000 miles with these same issues of excessive oil consumption which has now caused timing chain issues and issues with piston rings. Dealer says due to lack of maintenance which is BS as I have changed oil, etc at shorter intervals than required per maintenance schedule.

  10. David B Teeter says:

    My 2016 Hyundai Tucson almost got us killed on the interstate during the return home this past weekend from thanksgiving. My wife has an appointment tomorrow with the dealer!
    The vehicle is consuming oil and won’t go above 2,000 rpm’s. I hope they have a remedy by now! I still have engine warranty too!

    1. James dague says:

      They’re gonna say it’s gonna be 3,600 for a new converter which will go out again before too long due to oil in your exhaust that’s what happened to my mom then she was like 500 miles over the warranty on the new converter and tried to charge her that again 4 months later so I got a used one and put on it and a couple weeks later I topped her oil of she was using 3-5 quarts a week so I topped it off and she drove about 20 miles and the car died and was 5 quarts low on oil so 4 miles per quart of oil and they won’t do anything for her and she has bought 4 new cars in the last 6 years from Dennis hyandais in Columbus Ohio somebody needs to take responsibility for this my mom still owes 23,000 on that car and thats bullshit all the other ones had problems too

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