3. Scion t2B (Tall Two-Box)

Pitched as a compact urban runabout, the Scion t2B concept wowed crowds with its sliding doors, modular seating, and versatile interior. With a boxy design reminiscent of the original xB but advanced for its time, it could have revolutionized urban transport for Scion. Sadly, it remained a showpiece. (caranddriver.com)