Interesting Facts About the Austin-Healey 100-6 BN4
The Austin‑Healey 100‑6 BN4 entered regular production in August 1956 as the 2+2 version of the celebrated “big Healey” series. It remained in production until 1959, offering a six‑cylinder engine and a small rear seat for occasional passengers.
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BN4 Designation and Body Style
The BN4 code identifies the 2+2 configuration of the 100‑6, which was built from 1956 to 1959. This marked the first time the big‑Healey line offered a practical rear seat, albeit a modest one.
Production Volume and Years
A total of 10,286 Austin‑Healey 100‑6 BN4s were produced between 1957 and 1959. The chassis numbers ranged from 22,598 (left‑hand drive) to 22,880 (right‑hand drive), with a major interior overhaul noted at chassis No. 77,766.
Engine and Market Introduction
In August 1956 the BN4 entered regular production equipped with a six‑cylinder engine, distinguishing it from earlier four‑cylinder models. The addition of the small occasional rear seats helped broaden its appeal beyond pure two‑seat sports cars.
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Austin-Healey 100-6 Parts
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Last updated: 06.08.2026, 14:54
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