7. Citroën SM
Launched in 1970, the Citroën SM married flamboyant styling with high-tech innovation, powered by a Maserati 2.7-liter V6 placed under a long, curved hood. Citroën’s hydropneumatic self-leveling suspension delivered a “magic carpet” ride, while the speed-sensitive DIRAVI power steering automatically self-centered. Swiveling headlights pivoted with steering inputs, dramatically improving nighttime visibility.
The teardrop-shaped body featured covered headlamps and a gently sloping roofline, creating a cohesive aerodynamic form. Beneath the luxury veneer, the complex hydraulic system powered steering, suspension, and brakes, rendering maintenance challenging. Despite mechanical reliability woes, the SM’s audacious blend of French hydraulic mastery and Italian V6 charm cemented its place as an extraordinary GT tourer.