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. Elise Leggett says:

    We purchased a 2013 Hyundai Genesis Coupe in 2017. The engine blew after 20,000 miles. The dealership claimed our warranty did not cover this issue because that particular motor was not under recall. The crankshaft, pistons and head were torn up from the oil consumption. The car has now been sitting for 3 years still requiring full coverage insurance and monthly payments.

  2. Jessica Mcquinn says:

    I currently own a 2015 Hyandai Sonata Sport with approximately 164,511 miles. I have had a severe issue with loss of oil. No evidence of an oil leak. Changed the valve cover gasket and continue to monitor oil. It has definitely not changed. I maintain my vehicle with proper preventative maintenance and it has cost me so much in buying 5 qt jugs of oil that I go through 1 every 3 weeks. The car is amazing but I should not have to suffer with these issues. It is obvious that they should of extended the year of vehicles to the recalled engines.

  3. Mary says:

    I bought a used 2016 Hyundai Tucson and It burns oil like you wouldn’t believe. I had a check engine light come on for the oxygen sensor and the guys looked at my oil level and said there wasn’t any!!! No lights came on and this is not the first time! I have 6 yrs still to pay on this piece of garbage that probably won’t last 6 more months!! Plus it stutters on acceleration and jerks violently at times!!

  4. Mary says:

    I bought a used 2016 Hyundai Tucson and It burns oil like you wouldn’t believe. I had a check engine light come on for the oxygen sensor and the guys looked at my oil level and said there wasn’t any!!! No lights came on and this is not the first time! I have 6 yrs still to pay on this piece of garbage that probably won’t last 6 more months!! Plus it stuffers and jerks violently at times!!

  5. Ross Woodbury says:

    2017 elantra. 190K miles. Every 3000 miles I’m adding 4 quarts of oil. Started happening after 150K miles.

  6. Susan Youssef says:

    I will never buy another Hyundai again. I have a 2016 Hyundai Elantra GT. I have to add a quart of oil per week, and I don’t go far to cause this type of loss of oil. The engine light does not come on. This can easily cause engine damage. This car has been well taken care of. I have changed the oil regularly.

  7. Travis Penney says:

    I have a 2017 Hyundai Santa Fe Sport. Brought in 2017 used. In 2019 my told me the red light was on. It burned 4.5 qts of oil in 3000 miles. I did the oil consumption test the average amount was 1 qt every 1000 miles they won’t replace the engine. Now it’s burning 2 to 2.5 qt every 1000 miles and they said it’s out of warranty. Car has 82k miles on it. Currently having an oil consumption test performed for documentation reasons.

  8. Chad B says:

    I’m not the original owner of my 2013 geneis coupe with 90,000 miles but it burns oil and hyundai should replace motor with something more reliable!

  9. Jeanine says:

    Warn everyone you know about Hyundai! I will never buy another one again! They should have recalled these cars!

  10. Jeanine Butler says:

    I own a 2013 Hyundai Santa Fe sport that I’ve been doing the oil consumption test since early Spring 2022 and now the dealer just did a combustion cleaning and back to 3 more rounds of oil consumption testing! I lose at least a quart of oil every 300 miles. I haven’t been able to drive my car for any road trips at all this summer because of it being a POS….How do I get on this class action lawsuit

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