Certain Audi models with gasoline engines have been named in a class-action lawsuit over emissions cheating.

Automotive litigation firm Hagens Berman has filed the first class-action lawsuit against the German automaker over charges that the automaker illegally installed an emission-cheating device in 3.0-liter gasoline cars. Models names in the suit include the Audi A6, Audi A8, Audi Q5 and likely the Audi Q7, as well as potentially several other 3.0-liter, automatic gasoline models.

“Throughout the yearlong Dieselgate scandal, Audi chose to continue to deceive consumers across the country with yet another emissions-cheating device installed in even more of its vehicles,” said Steve Berman, managing partner of Hagens Berman. “This kind of flagrant disregard for federal environmental regulations and consumers’ expectations is unacceptable, and we intend to hold Audi to the law on behalf of those who overpaid for Audi’s noncompliant, polluting cars.”

The lawsuit filed on November 8 claims that consumers have the right to reimbursement and seeks to rectify overpayment for the illegally polluting luxury vehicles. The law firm has set up this webpage for Audi owners to find out if they qualify for potential compensation.

Audi diesel models have been included in Volkswagen class-action lawsuits, and has joined Volkswagen and Porsche brand vehicles in diesel vehicle buyback recall settlements with U.S. and California authorities.

Last year, Audi revealed that 2.1 million of its vehicles had been fit with software that is meant to cheat diesel emissions tests. About 13,000 of these vehicles were sold in the U.S. The models affected are the A1, A3, A4, A5, A6, TT, Q3 and Q5, according to Audi.

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Hagens Berman said that earlier this month government regulators discovered an emissions-cheating device installed in Audi gasoline vehicles with 3.0-liter engines and automatic transmissions. This new device is different than the emissions cheating device found in diesel cars, and allowed Audi to conceal the actual level of greenhouse CO2 emissions its cars produce, accord to the law firm.

The law firm was also appointed to the leadership group in the Volkswagen diesel emissions litigation that began in 2015. Hagens Berman also said that it has previously played a role in recovering billions of dollars in losses through taking on Ford, Toyota, Hyundai, Kia, Volkswagen, Audi, Mercedes, General Motors, and other automakers for consumers.