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THE ITALIAN COACHBUILDER SITE

Alfa Romeo 6C 2500 S Castagna

1939Coachwork by Castagna

THE VEHICLE AT A GLANCE

Model dossier

Manufacturer
Alfa Romeo
Base model
6C 2500 S
Coachbuilt version
Castagna Berlinetta
Coachbuilder
Castagna
Production period
1939
Body style
Berlinetta
Engine
V12
Type
One-off

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 Alfa Romeo 6C 2500 S Castagna with Touring design represents a unique chapter in the history of Italian automotive design. Introduced in 1939, this model was part of a strategic move by Alfa Romeo to address the high demand for the 6C 2500 Sport Berlinetta. In response, Alfa Romeo delegated a portion of the production to Carrozzeria Castagna, a respected coachbuilder known for its bespoke creations. While the 6C 2500 Sport Berlinetta was also crafted by Carrozzeria Touring, known for their Superleggera lightweight construction, the Castagna models retained certain design elements that distinguished them from their Touring counterparts. Despite having to adhere to the general lines set by Touring, Castagna’s version featured several unique details. Notably, the fenders of the Castagna models had an edge that was absent in the Superleggera Berlinetta, and the pavilion—or roofline—was more substantial, giving the car a different visual profile. Production of the Castagna-bodied 6C 2500 S was quite limited, with estimates suggesting that only around a dozen examples were made. These were spread over two series, with the second series appearing in 1942 and adapted to align with the corresponding second Touring Series design. Due to the rarity and the similarities in design between Castagna and Touring bodies, many surviving Castagna models have often been misidentified as Tourings and restored as such. The Alfa Romeo 6C 2500 S Castagna is a rare and significant vehicle, with only chassis 915066 remaining to document and celebrate Castagna’s contribution to this model. This particular chassis has been the subject of extensive research and restoration efforts, allowing it to stand as a testament to the craftsmanship and unique design elements of the Castagna coachbuilding tradition. Its preservation and proper restoration underscore the importance of recognizing and maintaining the distinct legacy of these rare vehicles, ensuring that the history of Carrozzeria Castagna and their role in the 6C 2500 S lineage is accurately remembered.

02 / TECHNICAL IDENTITY

Specifications & construction

Production & construction

Production type
One-off

Engine & performance

Engine configuration
V12

03 / DESIGN, BODY & SUPPLIERS

Design, body & suppliers

Design & manufacture

Manufacturer · Documented
Alfa Romeo
Coachbuilder / Body Builder · Documented
Castagna

Body form & construction

Body style
Berlinetta

04 / EVENTS & CHRONOLOGY

Events & awards

No events or documented awards are currently recorded for this vehicle.

06 / CHASSIS REGISTER

Chassis register

Ownership & provenance

Ownership & history · Legacy attribution
Car Collection
Chassis 915066
Chassis number
915066
Year
1939

09 / PERIOD ARCHIVE

Period photographs & advertising

THE CONVERSATION

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