General Motors Defective Engines $150M Class Action Settlement
By Steve Levine
Unsplash | Published: July 2, 2025
Claim Form Deadline: August 8, 2025
Payout: $2,149+
Proof required: Yes
If you purchased or leased certain 2011-2014 Chevrolet or GMC vehicles equipped with specific engines, you may be owed over $2,000 per claim from a new $150,000,000 class action settlement with GM. General Motors has settled a class action over allegations that these engines have defective piston assemblies causing excessive oil consumption, spark plug fouling, rough idling, and potential engine damage.
The total GM engine class action settlement amount is $150,000,000.
Owners or lessees of 2011-2014 Chevrolet Avalanches, Silverados, Suburbans, Tahoes, GMC Sierras, Yukons, or Yukon XLs with LC9 engines purchased or leased in California, Idaho, or North Carolina as of May 23, 2022, may be eligible. GM Vehicles with upgraded piston rings under warranty are excluded from the $150 million settlement.
The cars included in the GM class action lawsuit are:
Chevrolet:
• 2011-2014 Chevrolet Avalanche
• 2011-2014 Chevrolet Silverado
• 2011-2014 Chevrolet Suburban
• 2011-2014 Chevrolet Tahoe
GMC:
• 2011-2014 GMC Sierra
• 2011-2014 GMC Yukon
• 2011-2014 GMC Yukon XL
These vehicles must be equipped with a Generation IV LC9 5.3 Liter V8 Vortec 5300 Engine and manufactured on or after February 10, 2011. Vehicles that have already received adequate piston replacement (i.e., upgraded piston rings) under warranty and at no cost are excluded from the class.
How Do I Find Class Action Settlements?
Find all the latest class actions you can qualify for by getting notified of new lawsuits as soon as they are open to claims:
GM Class Members will receive a pro rata share of the $150,000,000 settlement. Payments will be no less than $2,149 per Class Member after expenses.
• If you received a notice that does not require completing the North Carolina Identification Form, no action is needed.
• North Carolina Class Members must complete the Identification Form online, linked below, or by mail by August 8, 2025.
Yes. If you received a notice that does not require completing the North Carolina Identification Form, no proof is required. North Carolina GM settlement Class Members must complete the Identification Form to receive payment.
Filing Class Action Settlement Claims
Please note that your claim form will be rejected if you submit a settlement claim for payout with any fraudulent information. By providing this information and your sworn statement of its veracity, you agree to do so under the penalty of perjury. You would also be harming others that actually qualify for the class action settlement. If you are not sure whether or not you qualify for this class action settlement, visit the class action administrator's website. OpenClassActions.com is a consumer advocacy and class action news site, and is not a class action administrator or a law firm. OpenClassActions is a participant in the Amazon affiliate advertising program and this post may contain affiliate links, which means we may earn a commission or fees if you make a purchase via those links.
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