In November 2016, a false advertising class-action lawsuit was filed against GM for allegedly falsely marketing 2014-2016 Chevrolet Sonics as being rated by the EPA as getting 40 miles per gallon (mpg) on the highway when, in reality, the EPA mpg rating for the vehicles with manual transmissions was overestimated by at least 1 mpg. (Puente et al v. General Motors, LLC, Case No. 16-cv-8688, D. NJ.)

For more information about other class-action lawsuits regarding mpg claims and TINA.org’s coverage of the issue, click here.


Class-Action Tracker

2019 Chevrolet and GMC Vehicles

Class Action

2019 Chevrolet and GMC Vehicles

Allegations: Marketing that the eight-speed Hydra-Matic 8L90 and Hydra-Matic 8L45 transmissions in vehicles provide “comfort,” “drivability,” and “lightning-fast” and smooth shifting when the transmissions may cause vehicles to suddenly lurch…


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