The 1957 Cadillac sported a new X-framed chassis, which did away with side rails and provided added structural strength, contributing to an even quieter, smoother ride than before, as well as allowing a lower body placement for reduced overall height. The resulting car virtually hugged the road, and with its apparent acres of rounded sheet metal crowned with knife-edged tailfins, the vast Biarritz Convertible seemed to drift down the highway. Naturally, the upgraded interior came with all imaginable power accessories and creature comforts.

One of just 1,800 Eldorado Biarritz Convertibles produced in 1957, this example is beautifully restored in its original Red over red and white leather upholstery. It is equipped with factory air conditioning, which was rare enough on a 1957 Cadillac, but especially so on an open convertible, and most of all on the top-of-the-line Biarritz. The trunk opens remotely with the push of a button, and the same button pulls the trunk lid closed. Other important accessories include the “Autron