For the 2016 model year, the American public could only get the Mercedes-AMG GT S, also known as the sexier and more powerful sibling of the GT. For 2017, Mercedes-Benz adds the entry-level GT to the lineup.

The question is, what do you get for twenty grand less ($112,125 versus $132,125)? For starters, the 2017 Mercedes-AMG GT differs from the GT S w…