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Logotype of Hyundai corporation.
(Photo Credit: Arsenie Krasnevsky/Shutterstock)

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.

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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3,133 thoughts onHyundai class action alleges excessive oil consumption

  1. Beth N. says:

    I am the owner of a 2017 KIA Sportage. I have been suffering from the excessive oil consumption issue. Prior to March of this year, every 900 to 1000 miles need to add a quart of oil! I have always exclusively used 100% synthetic oil. In March, while traveling on highway at 65 mph, the engine began to rumble and I lost power. Fortunately, I was able to pull over. The car required a tow and at service center, mechanic advised me I needed a new engine! Car had 112,000 miles!. Mechanic said to reach out to KIA Corporate. They towed car to dealership. Dealership confirmed major cylinder/valve failure. KIA Corporate denied claim! Said it is out of warranty and Not part of current engine recall.

  2. Shauntel Maxwell says:

    Add me Please. Thank you.
    Hyundai Sonata 2016
    Hyundai Santa Fe 2019

  3. Kelly says:

    2015 hyundai Sonota…started adding oil at 50k

  4. Letitia Abernathy says:

    Add me

  5. Kristin Bertrand says:

    2017 Santa Fe Sport – already paid out $1800 for a engine re-build. This is allegedly 50% of the cost. Still burning oil at an alarming rate.

  6. Cathy Surridge says:

    After several visits to the mechanics and many, many quartz’s of oil no one could fix the problem. I also suffered engine and brake damage. Please add me to the lawsuit. 2015 Sonata Sport

  7. Donna Tavares says:

    I own a 2019 Hyundai Tucson and have been back and forth regarding the excessive oil consumption with the dealer now for the past 8 months. I have had it checked 3 times at 1000 miles and most recently they did some sort of deep engine cleaning. Still burning oil at an alarming rate.

  8. Jimesian Sanders says:

    Please add me

    1. Lynise Rowe says:

      Add me please I had a Kia Sorrento bought it from a dealership with oil consumption problem and was never told by the dealership found out after owning the suv for 1 year had to purchase another vehicle socks like hell!

  9. Chad says:

    2016 Tucson started happening around 84,000 miles. I know 2 more people same problem going on.

  10. WILLIAM TALMADGE says:

    I’m trying to get an engine replace on a 2019 Hyundai elantra Limit now
    Add me

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