Transmission Type by Car: CVT, Automatic or Manual / Cadillac / ATSCadillac ATS Transmission by year YearTransmission20198-speed automatic or 6-speed manual20188-speed automatic or 6-speed manual20178-speed automatic or 6-speed manual20168-speed automatic or 6-speed manual20156-speed automatic or 6-speed manual20146-speed automatic or 6-speed manual20136-speed automatic or 6-speed manual Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).