Transmission Type by Car: CVT, Automatic or Manual / Infiniti / G37Infiniti G37 Transmission by year YearTransmission20137-speed automatic or 6-speed manual20127-speed automatic or 6-speed manual20117-speed automatic or 6-speed manual20107-speed automatic or 6-speed manual20097-speed automatic or 6-speed manual20085-speed automatic or 6-speed manual Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).