Fiat 600 1955-1969
The Fiat 600 was introduced in 1956 and was an immediate success. The model shown here is the first one, easily identified by the front opening doors and the direction indicators on the top of the front wings
Fiat 600 D
This one still has front-opening doors, but the indicators have been moved to the front and sides.
Forerunner of the MPV. It actually did seat 6.