AC Six History
Catalog record
This is a brief catalog introduction with limited source documentation. A licensed, identity-checked lead photograph has not yet been added for this page. Detailed year, configuration and ownership coverage must be identified separately; this page is not a complete vehicle catalog.
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Model history available. Detailed year guides are not published for this model.
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The AC Six introduced John Weller's overhead-camshaft 1,991 cc straight-six in 1920, an aluminium-block design that was years ahead of contemporary British practice. The engine's longevity is remarkable: progressively developed versions of it remained in production into the early 1960s, eventually finding their way into the Ace sports car.
Through the 1920s and 1930s, under various names (16/56, 16/66, 16/70), AC built sporting tourers, saloons and two-seaters that delivered genuine performance for their era. A company car won the 1926 Monte Carlo Rally — the first British car to win the event outright — establishing the marque's competition credentials before the Second World War halted production.
Body styles
- Tourer
- Saloon
- Sports
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