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. SHANNON JOHNSON says:

    I bought a 2018 Hyundai Tucson in 2021 and a year later it started making a knocking noise no warning lights about oil being low. My engine light came on after putting three quarts of oil in and within a 10 mile drive to get the engine light checked my vehicle stalled, I had it towed to a garage and he said the engine is blown.

  2. Hector Martinez says:

    My Hyunday Sonata 2015 engine just stopped working. It’s completely broke because an Oil problem wich didn’t even show on the dashboard. It happened three days ago and I don’t know what to do now

  3. Tom Geraghty says:

    I have a 2018 Hyundai Sonata Limited and go through about a quart of oil per week.

  4. Tammy R Lethgo says:

    We have a 2017 Hyundai Sonata. It uses alot of oil and has now started fowling plugs often. If this is a known problem Hyundai should make it right. My daughter is about to go away to college and now we don’t trust her car.

    1. Wes says:

      Bought a 2017 Santa Fe 6 months ago. A week after I got it I took it for an oil change and it was bone dry. 2 weeks later the oil light came on and it had a little over a quart in it. The dealership did a test and said there’s nothing thy can do but if my bearings go bad to bring it back and they would fix that for free. Last week it lost all power and the machine said it was cylinder 2 misfire so changed the plugs etc., didn’t work so I took it to the mechanic and he said I need a new engine. I’m waiting right now for the dealership to check it out and call me. I was sold a lemon and Hyundai isn’t standing behind their products. This should be recalled or at least fix the engine. I took a loan out to buy it and now I’m stuck. They’re responsible for this issue, they shouldn’t have to be sued to do their job.!! Hyundai should be banned in the USA in my opinion. Please add me to the lawsuit

  5. Chanda Jandreau says:

    My 2017 Hyundai Sante Fe Sport is burning oil to the point that I need my oil topped off every week & half. I bought used and only had the car for a year & half

    1. Kim says:

      Same situation. I bought my 2016 Tucson at 50k in 2018. In 2022 it was at 70k when I need to now carry oil with me in my backseat.. no dash board lighting up.. I just know because I’m either losing power or I can hear it rattling and I need to check. I work from home so I’m not excessively driving thank God I don’t have to drive it every day. I see nothing but horror stores

  6. Kendra says:

    My 2016 Kia Sorento began leaking oil bad the dealership says it’s the engine oil pressure switch upper and lower intake gaskets which is not an inexpensive fix. We should be reimbursed and or not charged since everyone is having the same issues.

  7. Carl Scarlett says:

    I have a 2015 Hyundai Sonata Sport with 114,945 miles on it. It has a lifetime warranty. But It has been in the shop already after owning the vehicle for only 5 months. They had to replace the valve cover gasket, spark plugs due to oil leak, rocker cover gasket, and fuel pump gasket.

    Now after not even a month, my car is leaking oil yet again. I constantly have to add oil. It’s getting to where I cant afford to keep it on the road. I don’t care about the money, I just want a good dependable car to get me back and forth to work. Maybe enough to pay mine off and enough to get me a new ride.

  8. Valerie Watkins says:

    My daughter’s father brought a 2017 Hyundai sonato,and it’s burning oil like crazy.

  9. Colleen Coleman says:

    I have a 2015 Hyundai Elantra with 70K miles on it and the engine blew. It is DOHC GDI NU engine, and these are the ones that have issues. We were NEVER notified of any service campaigns or recalls or about the class action lawsuit on them, so we were forced to get a new engine from our mechanic. This is INSANE! This engine should have never failed at 70K miles! What can be done about this??

  10. Kim Margowski says:

    I bought a 2014 santa fe in july 2022 and 90 days later a rod went thru the engine on the freeway. Almost had a wreck. No lights no bad sounds prior nothing just no oil in engine ! I paid 14k I am 62 and have terminal illness i can no longer get to my treatment appointments Hyundai says my vin is not covered. I dont believe them there is high mileage on car but i just needed to make short trips to hospital so i believe used car dealer should have informed me of all these problems before purchase as i am handicapped in wheel chair and had limited means of purchasing a vehicle (shopping around research) Hyundi needs to stop selling cars period. They are rude and deceptive.

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