Class Action

Advertised MPGs of GM Vehicles

Class Action

Advertised MPGs of GM Vehicles

In August 2016, another class-action lawsuit was filed against General Motors (GM) for allegedly misrepresenting the EPA-fuel economy ratings and gas mileage estimates of certain vehicles, including the Chevrolet Traverses, Buick Enclaves, GMC Acadias, and Saturn Outlooks. According to the complaint, the company advertised the vehicles as traveling 17 miles per gallon (mpg) in the city, 24 mpg on the highway, and having a combined rating of 19 mpg when, in reality, the vehicles travel 15 mpg in the city, 22 mpg on the highway, and have a combined rating of 17 mpg. (Shannon et al v. General Motors, LLC, Case No. 16-cv-4932, D. NJ.)

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


Class-Action Tracker

General Motors Cadillac User Experience System

Class Action

General Motors Cadillac User Experience System

In September 2019, a class-action lawsuit was filed against General Motors for allegedly misleadingly marketing that its Cadillac User Experience system (a touch screen infotainment system with navigation and radio…

Bosch’s CP4 Fuel Injection Pump

Class Action

Bosch’s CP4 Fuel Injection Pump

In November 2018, a class-action lawsuit was filed against Robert Bosch GMBH and several car manufacturers – including Ford and General Motors – for allegedly claiming that the Bosch CP4…

General Motors Diesel Automobiles

Class Action

General Motors Diesel Automobiles

In November 2018, a class-action lawsuit was filed against General Motors for allegedly misleadingly advertising the durability, longevity, and fuel economy of its diesel automobiles when, according to plaintiffs, a…

Corvette Z06

Class Action

Corvette Z06

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Cadillac Safety Ratings

Class Action

Cadillac Safety Ratings

May 2017: A federal judge granted final approval of a settlement agreement resolving this case. According to the settlement terms, each class member will receive a $1,000 cash award and…

The MPG of GM Vehicles

Class Action

The MPG of GM Vehicles

July 2017: A federal judge preliminarily approved a settlement of the Ellis case. According to the settlement terms, class members may receive either a cash award in the amount of…

GM’s Chevrolet Cruze Vehicles

Class Action

GM’s Chevrolet Cruze Vehicles

July 2016: This action was voluntarily dismissed When a complaint is dismissed without prejudice, an amended version of the complaint can be refiled., the reasons for which have not been…

MPGs of Chevy Sonics

Class Action

MPGs of Chevy Sonics

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…


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