Classic Fiat 600 - what are the differences?

Want to know the differences between the Fiat 600

Classic Fiat 600 - what are the differences?

FIAT 600 D Specs & Photos - 1964, 1965, 1966, 1967, 1968, 1969 - autoevolution

SEAT 600 - Wikipedia

1967 FIAT 600D (D208) — Bello Moto SF

Rare bird: 1964 Fiat 600/750 by Scioneri – Classic Virus

Back When Fiat Multipla Wasn't the Laughing Stock - Dyler

Fiat 600 - Wikipedia

FIAT 600 Multipla

FIAT 600 Specs & Photos - 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969 - autoevolution

600 (Classic) - 1960 600 EV conversion, Page 2

REVISIT: Abarth 595 Old v New, 1970 to 2017 - Drive

Fiat 600 (1955) - pictures, information & specs