Complex sentence: The NSU/Fiat Weinsberg 500 (1960 Neckar Weinsberg 500) was produced in two versions (Limousette and Coupé) based on the Fiat Nuova 500 (1957--1977).
Split into simpler sentences: The NSU/Fiat Weinsberg 500 (1960 Neckar Weinsberg 500) is a Fiat automobile. It was produced in two versions (Limousette and Coupé) based on the Fiat Nuova 500 (1957--1977).