THE VEHICLE AT A GLANCE
Model dossier
- Production period
- 2004
- Body style
- Citycar
- Type
- Concept
- Seats
- 4
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 Trepiùno was powered by a 54 hp 1100cc engine and built by the Turin-based company, I.D.E.A. Designed by Roberto Giolito, the Trepiùno is noted for its reconfigurable interior which can accommodate four passengers in a 3+1 configuration, i.e., three adults and one occasional passenger. The name Trepiùno translates from Italian as “three plus one.” Presented at the Geneva Motor Show under the theme “Return to the Future,” the Trepiùno’s styling recalled Fiat’s original Fiat 500, introduced for model year 1957 and widely called the Bambino — a model that was designed by noted Fiat engineer Dante Giacosa and went on to sell more than four million examples over a production run of 18 years. The Trepiùno also uses Giacosa’s breakthrough transverse front-wheel drive layout — which ultimately became an industry standard, the front-wheel drive layout “adopted by virtually every other manufacturer in the world.” The 2004 concept Trepiùno inspired a subsequent production four-seater hatchback and cabriolet, the 6th-generation 500 & 500C (2007), designed under the direction of Frank Stephenson at Centro Stile Fiat. The 500 would go on to be marketed in more than 100 countries worldwide and win more than 40 awards, including the CAR Magazine Car of the Year (2007) and the 2008 European Car of the Year. It is still in production more than a decade after its launch.
02 / TECHNICAL IDENTITY
Specifications & construction
Production & construction
- Production type
- Concept
- Chassis construction
- high-strength steel/aluminium concept platform
- Mechanical platform
- bespoke Fiat Small and Safe concept platform
- Production notes
- FIAT's 2004 release thanks I.DE.A Institute among the collaborators in realization of Trepiùno; Stellantis Heritage identifies the concept as an Advanced Design Studio / Roberto Giolito project. These roles are kept distinct.
Engine & performance
- Drive
- Front-wheel drive
- Specification notes
- TECH 2026-09-21 — FIAT/Stellantis Heritage: bespoke Small and Safe platform combining high-strength steel and aluminium, FWD, 3300 mm length and flexible 3+1 seating. Engine displacement/output remain unpublished.
Dimensions & accommodation
- Length
- 3,300 mm
- Seats
- 4
Design & manufacture
- Manufacturer · Documented
- Fiat
- Engineering · Documented
- I.DE.A Institute
- Designer · Documented
- Roberto Giolito
06 / EVENTS & AWARDS
Events & awards
Geneva General · legacy_preserved
- Date
- 2004
- Chassis
- General
Preserved CI 1.0 relation. Evidence field: _yoast_wpseo_primary_events. No award inferred.
07 / THE VEHICLE IN DETAIL
Photo gallery
No publishable photographs are currently catalogued for this vehicle.
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 |
|---|---|
| FIAT / Stellantis Media — World premier for Fiat Trepiùno www.media.stellantis.com | Manufacturer period press release |
| Stellantis Heritage — 20th anniversary of Trepiuno www.media.stellantis.com | Manufacturer heritage |
| Heritage Hub — The Italy We Love / Trepiùno www.media.stellantis.com | Manufacturer heritage |







THE CONVERSATION
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