Subaru GVB but a hatchback. Its existence further suggests Subaru's future participation in the WRC Rally1 class.

https://www.hagerty.com/media/news/the-subaru-performance-b-sti-concept-looks-like-a-modern-wrx-sti-hatch/

https://www.topgear.com/car-news/concept/good-grief-check-out-subarus-pointy-new-sti-concept