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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3,223 thoughts onHyundai class action over excessive oil consumption dismissed

  1. Baily louderback says:

    I bought a 2017 hyundai santa fe sport a little over a year and a half ago, had 70,000 miles on it. I just recently hit 100,000 miles and it’s been down hill since. The oil light will once in a very great while come on but it’s literally for a half a second, I’m adding oil in it damn near every week and it’s not just one quart it’s two or 3. There’s no leaks, no smoke, nothing and that makes it even more frustrating. The amount of stalling that this car does is ridiculous, I’m scared to sit at a red light for too long because I never know if the car will start back up. I get the oil “changed” regularly and constantly get a lecture from mechanics about how important it is to keep oil in it. Owning this car has been nothing but exhausting and expensive, it’s so disappointing that hyundai is turning their backs on their customs and not making things right as far as fixing what they messed up on. This will definitely be my first and last hyundai.

  2. Craig Wiens says:

    I have a 2017 Hyundai Santa Fe Sport with about 72,000 miles.
    It is burning about 2 quarts of oil every 1000 miles. It’s leaking it on the ground.
    Took it to a dealer. they mentioned nothing about the problems that Hyundai is having with multiple models that I have just
    learned about.

  3. Jane Ware says:

    My 2017 Hyundai Santa Fe sport started burning through oil at about 100,000
    miles. I am adding about a quart every few days! Mechanics cannot find any oil leaks. This is alarming!

  4. Jessica Serino says:

    I have a 2017 Hyndai Santa Fe. It has just under 70,000 miles on it. Just over a year ago, the oi light came on but immediately and went off. I added oil and took my car in to be checked for leaks. I thought this was very odd because I am VERY diligent about getting regular oil changes. No leaks were found. Less than a month later, it happened again! My mechanic said the the engine is burning oil at an unusually high rate. He said to check the oil weekly, do not wait for the oil light to flash. I did so and added oil as needed, which is now up to 2-3 quarts every other week. That’s like $60 per month. Twice, I got in and the car bucked while driving and the emission light came on. I was advised to “Get rid of this car, something is wrong with it and it is bound to have a permanent break down leaving it worthless”. I want my cars to last a minimum of 10 years! Unfortunately, I am forced to shop for something else NOW!

  5. Hallie Brown says:

    I bought a 2015 Hyundai Veloster 1.6 last year and immediately had engine problems within first month, limp mode..check engine light, knock sensor. Replaced sensor. Have had 2 oil changes in last year and about 5 quarts added inbetween. Then had same issue and took it to dealership for recall upgrade on computer for knock sensor. Ran fine a couple months then noticed significant missing of timing on take off, gas mileage down, lagging gear shifting. Did tune up, changed spark plugs last weekend. Took my daughter to beach an hour and half drive, next day check engine light came on on way home driving on freeway, lost power, went into limp mode again and I had to cross 4 lanes of hwy traffic at reducing speed to pull off freeway. Called AAA,had it towed home. Got a obdll scan, knock sensor AGAIN! Drove to work 3 miles away and now oil light is flashing. Made appointment with Hyundai but can’t get one til Oct. I’m financing this car (my first car I’ve financed..and I’m 50) for double its value, in hopes it would be worth it beings I’ve had junkers most my life or someone else’s problem car I bought because I couldn’t afford a new one. When I bought this car, I had hopes of not dealing with major malfunction and dangerous engine situations but I’m in this crap show paying 313.00 a month for a p.o.s. car with problems!

  6. Renee Sweetland says:

    I own a 2017 Hyundai Sonata Sports and I have to put oils every 1000 miles or once a week now I am told that the oils are getting into the spark plugs causing the car to lose power and I just paid this car off last month. The Dealership stays busy and backup unable to get my car in for an oil check stating they need it in the shop for 2 weeks unbelievable this is happening without any recall leaving consumers to pay for high auto repairs and I am sure this service won’t be cover by the warrant and I will never buy or purchase another car from Hyundai ever!!

  7. Michele Angell says:

    My car is in the shop right now because of this. Hopefully warranty will cover it. I brought the car to another Hyundai repair place for a different kind of repair and there was no oil in it. They acted like it was my fault and just did an oil change. No oil at all!!

    1. Loren Francis says:

      How was the end result with this? I took mine in tonight.

  8. Shawn Stern says:

    I have a 2018 Hyundai Sonata. It’s got 66k miles. I have to change my oil every 1000 miles because it’s burning oil. The Hyundai dealer claims I might as well just sell the car.

  9. Shana Cole says:

    I have a 2018 Sonata Sport and I need oil every 1000-1500 miles. That’s when the light comes on for a second. If you blink, you’ll miss it. Hyundai keeps telling me it’s normal. NEVER happened until I hit 100,000 and now I’m at 130,000. I have to keep oil in my car now and check it frequently even though I don’t drive far. I hate liars and it’s making me not want to do business with Hyundai anymore nor drive a Hyundai. I have 4 kids and 2 of them are toddlers. Don’t need my car to break down due to them lying so they don’t have to recall their faulty parts

  10. Holly Clark says:

    I bought my used 2018 Hyundai Sante fe sport 29000 miles in 2021 . Right after I bought it I got an oil change. I noticed oil was burning too fast . Took to Hyundai dealer ship 19 times in one year, they ran two oil consumption test failed both times, buying lots of oil, numerous calls to the Hyundai corporate office. Was still under factory warranty. They said there was nothing they could do due to negligence on the engine. Which didn’t make since. Now the car has 70000 miles and cylinder went out and now is un drivable. Spoke with extended warranty company and they stated they couldn’t do anything either due to Hyundai denying to fix it. Now I have a car I can’t drive and owe money still on it. can Anyone help?

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