It carried three names before you even reached the model badge. NSU Fiat. Neckar. Jagst Riviera. The 1963 Neckar 600 Jagst Riviera reflected the complexity of postwar European manufacturing, where licensing agreements and regional branding shaped the cars as much as engineering did. Technical Details: The 1963 NSU Fiat Neckar 600 Jagst Riviera was based […]