Up until the 2015 model year, the had a standard six-speed automatic transmission in every model. In 2016, however, the ATS became available with a manual transmission option. However, the ATS was discontinued in 2019, so if you really want an ATS, you might have to buy one used.
In this case, just make sure to check the transmission type on the car you choose since it’s possible that you’ll find a manual ATS by mistake. You can also catch the transmission type in one simple way: going for a test drive!