Drop Your Top

Drop Your TopBack in 1976, Cadillac built what it proclaimed would be the last American ragtop--a two-and-one-half-ton Bicentennial Eldorado. At the time, poor sales, stringent safety regulations, changing tastes and the lingering effects of a fuel crisis were forcing automakers to downs-size most of their offerings, and the "Elvis Is King" dreamboats were the first to go. Today, two dozen carmakers offer convertibles, with prices ranging from about $20,000 for the Ford Mustang to abou...