Legacy Metrics

1957 Pontiac Bonneville

P857H36291roadUnited States
Engine
347 cu. in. V8 with Rochester mechanical fuel injection, 315 hp
Colour
Kenya Ivory and Bonneville Red

A 1957 Pontiac Bonneville convertible, one of only 630 produced in the model's inaugural year, finished in Kenya Ivory over Bonneville Red with a charcoal-and-ivory leather interior. Powered by a Rochester fuel-injected 347 cu. in. V-8 rated at 315 hp, the car carries a full complement of period options and accessories. Restored in the late 1970s or early 1980s by a marque specialist under the direction of known restorer Jack Denlinger, it earned AACA First Junior, Senior, and Bomgardner Award honours at Hershey in 1994.

Ownership

  1. Auction sale
  2. Date unknown
    Previous owner who commissioned restoration
    partial documentation

    Had the car restored in the late 1970s or early 1980s using a recognized marque specialist. Identity not stated beyond being the owner prior to Denlinger.

  3. Date unknownAcquisition unknown
    Jack Denlinger
    partial documentation

    Based in Lancaster, Pennsylvania; known for high-quality restorations. Entered the car at AACA events and the Hershey Fall Meet in 1994, earning multiple awards.

  4. Date unknownAcquisition unknown
    Current consignor
    partial documentation

    Owned the car for roughly eight years before consigning it; drove it occasionally but never exhibited it during that period.

Competition

  1. 1994Antique Automobile Club of America
    1994 AACA Hershey Fall Meet
    First Junior award, First Senior award, and Bomgardner Award for outstanding restoration

    All three honors were received at the same event while the car was under Denlinger's ownership.

Maintenance & restoration

  1. Restoration
    Unnamed marque specialist

    A comprehensive restoration carried out by the previous owner, Jack Denlinger, who engaged a recognised marque specialist to undertake the work. The result was of sufficiently high standard to earn multiple AACA concours awards.

    Described as having taken place in the late 1970s or early 1980s; precise year unknown.

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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.