6. Chrysler Airflow (1934)
The Chrysler Airflow boldly challenged conventional automotive design with its streamlined, aerodynamic shape and revolutionary unibody construction.
At a time when cars were boxy and upright, the Airflow’s smooth silhouette prioritized efficiency and passenger comfort.
Although sales were disappointing, many of its concepts—especially aerodynamics and integrated body frames—became industry standards in the decades that followed.
The Airflow’s forward-thinking engineering left a lasting legacy on automotive design and construction.
Source: Hemmings