Monday, October 27, 2025

1957: Chrysler Corporation returns to One Body Platform for All Brands

Chrysler Corporation redesigns used a single body platform for all its brands from the mid-1930s through the 1952 model year.  For 1953-54, Plymouth and Dodge were given a new platform, while DeSoto and Chrysler had massive facelifts.  Then for 1955 those makes were again given separate platforms.

That ended with the 1957 redesign, where all Chrysler brands again shared a single platform.  Brand differences were carried out for the cars' front ends, especially.  Rear ends also differed.  In the 1930s and '40s, such differences might have been as trivial as taillight shapes, but rear end styling gradually became more distinctive thereafter.  For 1957, styling supremo Vergil Exner decreed that tail fins would be a signature Chrysler Corporation feature.  The result was that most brands had distinctive fin shaping, as seen in side views.

Below are side views of a four-door sedan from each of Chrysler's five brands.

Gallery

1957 Imperial - BaT Auctions photo
Chrysler Corporation's luxury brand received touches not found on lesser brands.  The windshield wraps at the top as well to the sides.  Also, the C-pillar in slanted, not vertical as seen in all the images below.  Imperials' wheelbases were three inches (76 mm) longer than Chryslers, for example, and this length was in the form of a stretched passenger compartment for greater rear seat legroom.

1957 Chrysler New Yorker - car-for-sale photo
From here down through the Corporation's brand-prestige ranks, the passenger compartment greenhouses are the same.

1957 DeSoto Firedome - Daniel Schmitt photo
Same wheelbase as the Chrysler New Yorker.

1957 Dodge Custom Royal - car-for-sale photo
Four inches (102 mm) less wheelbase than the Chrysler and DeSoto above.  The cut is in the form of a shorter front end.

1957 Plymouth Belvedere - BaT Auctions
Another four-inch (102 mm) wheelbase reduction here.  Note the various distances between the forward front door cutline and the front wheel openings.

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