The Pfister Growler is a two-door sports car added to Grand Theft Auto Online during the continuation of the Los Santos Tuners update, and it is due to appear in Grand Theft Auto VI. It is prominently based on the Porsche 718 Cayman, from which it borrows its headlights, rear diffuser, and exhaust treatment.
Vehicle data via GTA Wiki (Fandom), CC BY-SA 3.0.