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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3,224 thoughts onHyundai class action over excessive oil consumption dismissed

  1. Cam says:

    Unfortunately i missed this when i bought mine. 52000 miles just had a top of 2.5 quarts of burn off barely drove 3000 miles.

  2. Scott Peterson says:

    I have a 2016 Tucson with the 2.0 liter non- turbo engine….bought it in 2020 with 65000, by 80k I replaced a clogged exhaust for $3000 and was adding oil with every gas fill. Now at 109k, same issue-no power and high pitched whine from clogged exhaust, I can’t afford to do this again.

    1. Crystal Belanger says:

      I have a 2015 Tucson and we are always checking are oil, because it’s burning one to 2 Quartz every month. This started along 90,000miles. We have always keep up with our services. We should not be having this problem.

  3. andre says:

    Yes had to replace my engine on hyundai sonata and paid for it myself. please help in helping re coupe my money

  4. Jenna Bustos says:

    2019 Kia Optima burning oil and now getting P1326 check engine code to replace rod bearings. I have to add oil every 1000 miles and get oil changed more frequent than normal.

  5. Christopher M Johnson says:

    My son’s car has this issue. 2018 elantra. I’ve never seen a drop in oil like this. I maintain my vehicles very well. No warnings of low oil either. Currently waiting to get a tow to the dealer.

  6. Teresa G Coombs says:

    My 2018 Sonata with 82000 miles is using 3 qts every 2000 miles and dealership says this normal. Giving me the run around about only getting oil changes from Dealership or will void my warranty. You can never get in for oil change in timely manner and have to wait 1 to 2 hrs for change. Need to replace these engines.

  7. Laurna Hoss says:

    I just today got stranded by engine failure on the interstate driving to a family function, alone. 64yr old female. Oil change was 3 months/3000 miles ago, but we added 4qts today, and that was enough for just the tip of the stick….it WAS emplty. I got a check engine light, but no oil indicator light. My brother rescued me and drove 20 miles at low speed to the dealership, 200miles from home. Left key and a note in the night drop, then borrowed a friend’s car to get home…200miles away. Waiting to talk with the dealership in the morning.

  8. Damon says:

    2019 Hyundai Tuscan severe oil Burning Hyundai say there’s no problem topping up once a month and don’t no what to do

  9. Allan Mairena says:

    Hi i’m the owner of 2017 Hyundai Santa Fe Sport and vehicle has been burning oil like crazy. I recently did a oil change on September 26 and 17 days later my cat only had one Quart of oil. I already advise Hyundai of issue.

  10. Michael Lewis says:

    My 2018 Sonata is burning oil at a rapid clip and dealership advised me to use a fuel injector cleaner and keep an eye on it. Please contact me about joining any lawsuit

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