Duplex / IV-Porte / Victoria
Since the beginning, Stutz planned to produce also a sedan.
A "Ministeriale" titled model.
The first production car was called Duplex and looked like a Blackhawk with four doors.
In a brochure Stutz showed this Cadillac-style sedan:
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The car was built by Coggiola,
an Italian company, specialised in building prototypes.
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In 1976, Paolo Martin designed this Sedan,
based on the original design of Virgil Exner.
The production sedan didn't show a vinyl rear-top, and the design of the rear was changed, too.
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In late 1978, the design for the IV-Porte was completed.
Just the name still was wrong...
the name Diplomatica was used for a different car, bigger than the IV-Porte, and smaller than the Royale.
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I think real production started in about 1979, based on a Pontiac Bonneville, later it was based on an Oldsmobile 88 Royale.
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In 1981 the car got 10 inches more and was called Victoria.
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Have a look at the longer part behind the the rear-door.
And the sidepipes are missing...
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The front, identic to the IV-Porte,
only the radiator showed a different model-name.
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The Stutz Company offered a chauffeur-service, imagine: this was the working place of the driver, must have been a dream-job...
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...or do you prefer to be driven, not bad either...
Blackhawk Coupé
D'Italia
Bearcat Convertible
Diplomatica
Royale
Bear/Defender/Gazelle