1975 Citroen CX I

The image focuses on the rear view showing a hatchback design with rear window louvers and an aerodynamic, angular shape typical of the era's design trends.

Rear hatchback view with distinctive rear window louvers and aerodynamic shape.Mic from Reading - Berkshire, United Kingdom [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons