The Albany Emperor is a four-door sedan from Grand Theft Auto IV and other entries, descended from a 3D Universe sedan of the same name, and due to appear in Grand Theft Auto VI. It appeared in the September 2022 leaks in traffic around Port Gellhorn and has since been seen multiple times in the second trailer and official screenshots with an updated look.
Vehicle data via GTA Wiki (Fandom), CC BY-SA 3.0.