The Pfister Astron is a five-door compact SUV from Grand Theft Auto Online's The Contract update that is due to appear in Grand Theft Auto VI. A black Astron is glimpsed storming through Port Gellhorn during a high-speed chase in the second trailer, and another can be seen on Catalan Boulevard in an official Vice City screenshot.
Vehicle data via GTA Wiki (Fandom), CC BY-SA 3.0.