1958 Porsche Speedster: $150,000
1958 Porsche Speedster: $150,000

This valuable Porsche Speedster, featured in a column by author Tom Cotter, was left covered by a tarp under a lean-to roof for about thirty years before its owner finally sold the car in 2007. A car like this would be worth about $150,000 today.

And that wouldn't be for a fully restored one, either, said Cotter. Today's car collectors often prefer their cars unrestored, in what is called "preserved" condition, looking every bit as old as they are.

"A car's only original once," said Cotter.


Last updated May 11 2011: 4:03 PM ET
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