Neckar Automobilwerke AG was a German car manufacturer based in Heilbronn, named after the nearby Neckar river. The brand emerged when NSU resumed automobile production and needed a new name for cars that had previously been marketed under the NSU-Fiat badge. Under the Neckar name, the company built cars assembled from Fiat designs at its Heilbronn plant. This arrangement continued until 1967, when the Neckar brand name was discontinued in…