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Hyundai Excessive Oil Consumption – OLD

McKenzie Lake Lawyers LLP, along with Garcha & Company, is pursuing a class action on behalf of all persons, corporations or other entities who purchased or leased one or more of the below-listed Hyundai or Kia vehicles in Canada (excluding residents of Quebec). The action alleges that these vehicles have a latent design and/or manufacturing defect that could result in excessive engine oil consumption and lead to sudden and unexpected engine staling, loss of power, and catastrophic engine failure.

Hyundai Vehicles
ModelModel Years
Genesis Coupe2009-2018
Santa Fe2010-2012, 2015-2021
Sonata2009-2010, 2015-2021
Sonata Hybrid2011-2021
Tucson2010-2013, 2015-2021
Kia Vehicles
Optima Hybrid2011-2020

This action is still in the early stages.

If your vehicle appears in the table above and you would like to be added to our database of potential class members (to receive important updates and notices), please email with all of the following information:

  • your current contact information (full mailing address, telephone number, etc.);
  • your vehicle information (including its exact engine type and size);
  • your vehicle’s VIN (please double check to ensure that all 17 characters are correct); and,
  • a brief description of your experience with this defect, including relevant dates.

Please note that class actions can take several years to advance through the courts. Once we receive your information, there is nothing further you need to do at this time. We will update our database with your information and will contact you directly if there is anything further that we need from you. In the meantime, we ask that you keep all documentation regarding your vehicle and any repairs, including all rental vehicle receipts, as these documents may be required further down the road. If your contact information changes, please update us accordingly by sending an email to

All important updates regarding the status of this lawsuit will be posted here. We invite you to check this webpage for updates periodically.


On March 2, 2022, we commenced proposed class actions against Hyundai alleging that certain Hyundai vehicles (the “Affected Vehicles”) have latent design, manufacturing, material, and/or workmanship defects that cause restricted oil flow, excessive oil consumption, sudden vehicle stalling, catastrophic engine failure, and/or non-collision engine fires (the “Engine Defect”).

Affected Vehicles means all vehicles, except for Excluded Vehicles, designed, developed, manufactured, marketed, distributed, leased, and/or sold by the Defendants and equipped with one of the following GDI engines designed, developed and manufactured by the Defendants:

  1. Theta II 2.4-litre GDI engine;
  2. Theta II turbocharged 2.0-litre GDI engine;
  3. Nu 2.0-litre GDI engine;
  4. Gamma II 1.6-litre GDI engine;
  5. Gamma turbocharged 1.6-litre GDI engine;
  6. Lambda II 3.0-litre GDI engine;
  7. Lambda II 3.3-litre GDI engine;
  8. Lambda II 3.8-litre GDI engine; or,
  9. Lambda II turbocharged 3.3-litre GDI engine.

Excluded Vehicles means the following vehicles equipped with Theta II 2.4-litre and turbocharged 2.0-litre GDI engines designed, developed and manufactured by the Defendants:

ModelModel Year(s) Affected
Hyundai Sonata2011-2019
Hyundai Santa Fe (Sport)2013-2019
Hyundai Tucson2014-2015, 2019
Kia Optima2011-2019
Kia Sorento2012-2019
Kia Sportage2011-2019

To view a copy of the Statement of Claim, click here.

Please contact us if you are an affected owner/lessee. You can reach us at 1-844-672-5666 or email us at