Amphicar (1961-68)
Value: $26,000 - $58,000
The German-made Amphicar, the only amphibious vehicle ever produced for the mass market, was a strange compromise between a road-going and water-borne vehicle. It wasn't particularly good in either place.
Since fewer than 4,000 were sold -- much less than the 20,000 that had been anticipated -- their appeal as curiosities today far outstrips the number of working models available.
Other German-made cars from that time tended to rust easily, McKeel Hagerty said, but given that Amphicars appear regularly at collector car auctions, they seem to be holding up surprisingly well.
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Last updated July 07 2010: 11:03 AM ET
