You can find different names for this car: Trabant / Sachsenring / AWZ (= Automobil-Werke Zwickau).
It was developed together with Skoda and there were two versions of this car: the shown two-door hatchback with a 1100 cc Skoda engine as a future Trabant, and a 1300 cc four-door version to become the next Wartburg, see picture below.