Wikepedia:
The Cadillac Eldorado is a personal luxury car that was manufactured and marketed by Cadillac from 1953 to 2002 over ten generations. Competitors and similar vehicles included the Lincoln Mark series, Buick Riviera, Oldsmobile Toronado and Chrysler's Imperial Coupe.

The Eldorado was at or near the top of the Cadillac line during early model years. The original 1953 Eldorado convertible and the Eldorado Brougham models of 1957–1960 were the most expensive models that Cadillac offered those years, and the Eldorado was never less than second in price after the Cadillac Series 75 until 1966.[1][2] Eldorados carried the Fleetwood designation from 1965 through 1972.

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