1970 Citroen SM

Wide rear perspective showing a luxury 1970s coupé's distinctive large sloping rear window, integrated tail lights, chrome bumper, and advanced hydropneumatic suspension visible in rear wheel design.

Rear view of luxury 1970s coupé with distinctive rear window and advanced suspensionMic from Reading - Berkshire, United Kingdom, CC BY 2.0 <https://creativecommons.org/licenses/by/2.0>, via Wikimedia Commons