Chapter 03 — Longevity
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Quality outlives the buyer.
Production units still in active road use, by decade
30%
20%
10%
0%
6%
12%
22%
11%
38%
1930s
1940s
1950s
1960s
1970s
Pre-war
Postwar
Mid-century
Space age
Contemporary
This is the
Citroën DS
design system, applied by
Curio Design
— a design-style library for AI agents. Full Citroën DS guide →
designbycurio.com/learn/citroen-ds-1955-aero