2006 Citroen C6 I

Rear perspective of a luxury sedan highlighting its unique vertically extended tail lights, smooth aerodynamic rear design, and five-spoke alloy wheels parked beside another hatchback near a modern building.

Rear view of a sleek luxury sedan with distinctive tail lights and aerodynamic linesKlaus Nahr from Germany, CC BY-SA 2.0 <https://creativecommons.org/licenses/by-sa/2.0>, via Wikimedia Commons