The World's Smallest Car In Calcutta -- There totally different vehicles seen in a Calcutta (India) street recently. showing on left the modern tram which is now biting seen more than ever in the streets of the city, in centre the old time 'bus of the double-decker variety and on right the world's smallest car driven by its pretty owner. The car has a speed of 15 m.p.h. February 18, 1935. (Photo by Keystone).