Legacy Metrics

1938 Bugatti Type 57 Gangloff Special Cabriolet

57731roadFrance
Engine
3,257 cc DOHC inline-eight, 135 bhp
Colour
Cream and black

Bugatti Type 57 chassis 57731 is a one-off four-passenger cabriolet bodied by Gangloff of Colmar to a design by Lucien Schlatter, completed in October 1938 and exhibited at the 1939 Geneva Motor Show on the factory stand. Thereafter used as a works demonstrator, it was made available to celebrated Grand Prix driver Jean-Pierre Wimille. After post-war obscurity it passed through the hands of noted Bugatti trader Paul Sac before entering the Quattroruote Collection in 1964, where it remained for over five decades. The car retains its original engine and is documented in multiple authoritative Bugatti registers.

Ownership

  1. Auction sale
    Sold €660,800 (≈ $727K)

    RM Sotheby's catalogue lot →

  2. 1938-10-01 → 1939Factory delivery
    Bugatti factory
    partial documentation

    Completed in autumn 1938 and displayed at the Geneva motor show early the following year, then retained as a factory demonstrator assigned to Jean-Pierre Wimille under factory registration plates.

  3. 1950 →
    Unrecorded owner(s), registered in Rouen, France
    partial documentation

    Early postwar history is absent from records; Bugatti historian Kees Jansen notes a French registration in Rouen circa 1950, with the vehicle later found in the south of France.

  4. 1963 → 1964Private sale
    Paul Sac
    partial documentation

    Prominent Bugatti dealer who acquired the car in southern France while it carried black-and-yellow livery and a local registration; sold it on within about a year.

  5. 1964 →Private sale
    Quattroruote Collection
    full documentation

    Purchased from Paul Sac and held continuously as a centrepiece of the collection for over five decades, an exceptional single-ownership span for a Bugatti of this period.

  6. Date unknownAcquisition unknown
    Jean-Pierre Wimille
    partial documentation

    Made available to Wimille as a factory demonstrator owing to his status as one of the marque's foremost drivers; formal personal ownership is unclear but use is documented.

Competition

  1. 1939
    16th Geneva International Motor Show
    Displayed on factory stand

    The car was exhibited on the official Bugatti stand shortly after its completion, serving as a showpiece for the coachbuilt cabriolet body.

Maintenance & restoration

  1. Restoration

    The car underwent a full restoration at an undetermined point, resulting in the current cream-and-black livery; described as an authentic older restoration in presentable cosmetic and mechanical condition.

    The chassis number plate shows a later stamping of '731', believed by historian Kees Jansen to have been made very early in the car's life, possibly at the time of or shortly after this restoration.

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Each chassis record is compiled from public auction archives and links to its source material. Ownership, competition and maintenance entries are extracted from those catalogue listings by an LLM, which can make mistakes — please contact us with any corrections. The summary is Legacy Metrics’ own writing; we do not reproduce catalogue text.

“Full” and “partial” documentation labels indicate how well each entry is corroborated in the underlying sources, not an audit of the car’s physical paperwork. Names of recent or living owners are withheld for privacy.