Legacy Metrics

1954 Connaught Type B

'B4'racingUnited Kingdom

Connaught Type-B chassis 'B4' is a 1954-built British Grand Prix car powered by a 2,470cc twin-cam Alta four-cylinder engine, one of a batch of seven such cars produced for private entrants. Originally campaigned by the Rob Walker Racing Team in 1955–1958, it was driven by Tony Rolt, Jack Fairman, Peter Walker, Reg Parnell, and Verdun Edwards at events including the British Grand Prix at Aintree, Syracuse, and Pau. Since 2010 it has been maintained by historic racing specialist Michael Hibberd and raced at Goodwood and the Monaco Historic Grand Prix.

Ownership

  1. 2026-02-20Auction sale
    Estimate £300,000 – £350,000

    Iconic Auctioneers catalogue lot →

  2. 1955 → 1958Acquisition unknown
    Rob Walker Racing Team
    partial documentation

    The team ran the car throughout the 1955–1957 seasons and into 1958, with various drivers including Tony Rolt, Jack Fairman, Peter Walker, and Reg Parnell. The car still carries Walker's signature livery colours.

  3. 2010 →Acquisition unknown
    Current owner since 2010
    full documentation

    The car has been professionally maintained and raced under this ownership by specialist Michael Hibberd, with a history file of invoices and supporting documentation. FIA Historic Technical Papers were held but expired at end of 2025.

Competition

  1. 1955Formula 1
    1955 British Grand Prix
    Driver: Tony Rolt

    Race held at Aintree circuit.

  2. 1958
    Aintree race
    Driver: Verdun Edwards

    Understood to be the final event of the car's period competition history.

  3. Grand Prix de Syracuse

    One of several further Grands Prix contested during the Rob Walker Racing Team era; exact year and driver not specified.

  4. Grand Prix de Pau

    Contested during the Rob Walker Racing Team era; exact year and driver not specified.

  5. Goodwood Festival of Speed

    Appeared on multiple occasions under current ownership.

  6. Monaco Historic Grand Prix

    Raced under current ownership; noted as confirmation of the car's eligibility at the highest tier of historic motorsport.

  7. Goodwood historic events

    Raced on multiple occasions at Goodwood during current ownership.

  8. Historic Grand Prix Cars Association
    HGPCA events

    Participated extensively in HGPCA-sanctioned racing under current ownership.

Maintenance & restoration

  1. Restoration
    Michael Hibberd

    Comprehensive mechanical restoration encompassing a complete rebuild of both the engine and gearbox, with the addition of a fifth gear. Total expenditure was approximately £150,000.

    Carried out during the current ownership period; exact date not stated.

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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.