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THE ITALIAN COACHBUILDER SITE

Fiat 521 Berlina Boneschi

1928Coachwork by Boneschi

Fiat 521 Berlina Boneschi

THE VEHICLE AT A GLANCE

Model dossier

Production period
1928
Body style
Berlina
Engine
6 cilindri in linea — donor/base Fiat 521
Type
One-off
Displacement
2,516 cc

THE PEOPLE BEHIND THE CAR

Coachbuilding, design & conversions

PRICE & SALES RECORD

Vehicle value

Original price
Not documented
Latest recorded sale
Not documented

01 / THE STORY

History & context

The Fiat 521 Berlina Boneschi is a distinguished one-off vehicle crafted by the Milanese coachbuilder Carrozzeria Boneschi. Unveiled at the Milan Auto Show in 1928, this unique model exemplifies the craftsmanship and innovation of Boneschi during the late 1920s. Built on the Fiat 521 chassis, the Berlina was a notable departure from standard production models of the time. The Fiat 521 itself was a reliable and well-regarded vehicle, known for its robust engineering and comfortable ride. However, Boneschi’s transformation of this chassis into a one-off Berlina showcased their expertise in custom coachbuilding and design. The Fiat 521 Berlina presented at the Milan Auto Show was distinguished by its bespoke bodywork, which highlighted the distinctive style and attention to detail characteristic of Boneschi. The vehicle featured a sleek and elegant design, with smooth lines and a refined silhouette that set it apart from more conventional automobiles of the era. The Berlina’s exterior design was both sophisticated and aerodynamic, reflecting the aesthetic sensibilities of the late 1920s. The interior of the Berlina was equally impressive, with a focus on luxury and comfort. The cabin was appointed with high-quality materials, including sumptuous leather upholstery and carefully crafted wood trim. The layout and design of the interior elements were tailored to provide an elevated driving experience, enhancing both driver and passenger comfort. The Fiat 521 Berlina Boneschi’s appearance at the Milan Auto Show was a significant event, showcasing the innovative capabilities of the Milanese coachbuilder. The Berlina’s unique design and craftsmanship drew considerable attention, highlighting Boneschi’s ability to create bespoke vehicles that were both visually striking and technically accomplished. As a one-off model, the Fiat 521 Berlina remains a rare and valuable piece of automotive history. Its custom design and the prestige of its presentation at the Milan Auto Show contribute to its status as a cherished collector’s item. The vehicle represents a notable example of the bespoke coachbuilding tradition in early 20th-century Italy, reflecting the high standards and creativity of Carrozzeria Boneschi.

Historical research note

CI's Boneschi archive contains a 1928 Fiat 521 Berlina Boneschi entry. The Fiat 521 was widely supplied as coachbuilder chassis, making the body type historically plausible, but no independent chassis-level source has yet been recovered for this specific Boneschi car.

Source: SRC-CI-BONESCHI-ARCHIVE-PAGE13 · DOC-CI-BONESCHI-ARCHIVE-FIAT521 · Catalog/body identity; exact chassis unresolved · Knowledge Facts r693 · Historical information awaiting independent verification.

02 / TECHNICAL IDENTITY

Specifications & construction

Production & construction

Production type
One-off
Production notes
Independent Coachbuild period-photo evidence corroborates a Boneschi Fiat 521 at the 1928 Milan Auto Show. Exact chassis and production quantity remain open; do not generate one-off or survivor claims.

Engine & performance

Engine configuration
6 cilindri in linea — donor/base Fiat 521
Displacement
2,516 cc
Specification notes
DONOR_BASE_PROJECTION — base-model technical fields projected from PF-FIA-521-CABRIOLET-PF-COACHWORK-1933 because make/model/year match exactly. This does not assert that the coachbuilt/special vehicle retained identical tuning or performance.

Design & manufacture

Coachbuilder / Body Builder · Documented
Boneschi
Manufacturer · Documented
Fiat

06 / EVENTS & AWARDS

Events & awards

Milano General · legacy_preserved
Date
1928
Chassis
General

Preserved CI 1.0 relation. Evidence field: _yoast_wpseo_primary_events. No award inferred.

08 / FROM THE ARCHIVE

Archive

References held in the vehicle dossier. Their inclusion does not establish that every historical claim has been independently verified.

ReferenceSource type
www.coachbuild.com www.coachbuild.com Independent period photo forum

10 / CONNECTED HISTORY

Timeline

Chronological history1 dated records
  1. Unassigned chassis · Event

    Milano

THE CONVERSATION

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