1955 BMW Isetta

Compact microcar with a unique front-opening single door in red and white, showcasing its distinctive vintage design and small, bubble-like shape.

Front-opening door and compact retro microcar designLothar Spurzem, CC BY-SA 2.0 DE <https://creativecommons.org/licenses/by-sa/2.0/de/deed.en>, via Wikimedia Commons