THE VEHICLE AT A GLANCE
Model dossier
- Manufacturer
- Fiat
- Base model
- 1100 Sport Extraleggera Colli
- Coachbuilder
- Colli
- Production period
- 1952
- Body style
- Spider
- Type
- Fuori-serie
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 1100 Spider (1952) was coachbuilt by Colli. Developed during the early post-war period, the Fiat 1100 Spider represented a collaboration between Fiat and various coachbuilders, reflecting the innovative spirit of Italian automotive design. The coachbuilding process involved meticulous attention to proportions and construction methods, with Colli employing traditional techniques to create a lightweight and aerodynamic body that complemented the Fiat 1100’s chassis.
Mechanically, the Fiat 1100 Spider was powered by an inline-four engine, providing adequate performance for its intended use as a sporty roadster. The chassis layout was designed to enhance handling, with a suspension system tailored for both comfort and agility. The overall design considered stylistic trends of the era, resulting in a vehicle that combined functionality with aesthetic appeal.
Documentation indicates that production of the Fiat 1100 Spider was limited, with few surviving examples recorded in automotive history. The chassis numbering system was consistent with Fiat’s practices of the time, ensuring a clear lineage of the model. This vehicle was exhibited in various automotive shows, showcasing its design and engineering achievements.
Surviving examples are recorded in private collections and institutional archives, providing reference for researchers of postwar coachbuilding. The Fiat 1100 Sport Extraleggera Colli continues to be a subject of interest for automotive historians, illustrating the intersection of mass production and bespoke craftsmanship in the mid-20th century.
02 / TECHNICAL IDENTITY
Specifications & construction
Production & construction
- Production type
- Fuori-serie
- Production notes
- Migrate the 1952 Fiat 1100 Sport Extraleggera identity. Auxiliary number 5746 remains non-chassis evidence and must not populate chassis fields.
Design & manufacture
- Manufacturer · Documented
- Fiat
- Coachbuilder / Body Builder · Documented
- Colli
06 / EVENTS & AWARDS
Events & awards
No events or documented awards are currently recorded for this vehicle.
07 / THE VEHICLE IN DETAIL
Photo gallery 1 photographs
08 / FROM THE ARCHIVE
Archive
References held in the vehicle dossier. Their inclusion does not establish that every historical claim has been independently verified.
| Reference | Source type |
|---|---|
| Jacques Leretrait autos-photos — Carrozzeria Colli: FIAT 1100E SPORT EXTRALEGGERA — 1952 jacques-leretrait.blogspot.com | Independent coachbuilder visual index |











THE CONVERSATION
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