• One of an estimated 400-or-so survivors • Present ownership since 2009 • Restored condition • Minimal mileage in present ownership Thanks to its use by TV's fictional Jersey detective Jim Bergerac, few post-war classics are as instantly recognisable as the Triumph Roadster.

A landmark model in the history of the Coventry firm, the 1800 Roadster was one of the first post-war designs to bear the Triumph name.

The chassis - an all-new design featuring independent front suspension - comprised two large-diameter steel tubes joined by cross braces.

Styled by Standard's Frank Callaby, the Roadster's elegant alloy-panelled body was unusual in retaining the dickey seat that had been a feature of the pre-war Triumph Dolomite Roadster Coupé.

Launched in March 1946 alongside its sister car, the 1800 Saloon, the Roadster was not revised until 1948 when it received the 2.1-litre engine, three-speed gearbox, and rear axle of the newly introduced Standard Vanguard.

When Roadster production ceas...