
£300,000 - £350,000
1954 Connaught Type-B - 'B4
United Kingdom • 21 Feb 2026
Vehicle Details
AI Listing Summary
This is a Connaught Type-B Grand Prix car, chassis #B4, with a rich racing history including participation in the British Grand Prix. Recently restored, it features a rebuilt engine and gearbox with a fifth gear, making it eligible for prestigious historic motorsport events.

Condition
7
Well cared for and presented
/ 10
Manual
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Odometer:
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At Goodwood during the afternoon of 12th August 1954 a select assembly of Pressmen and enthusiasts who had taken the trouble to drive down to the Sussex circuit at the invitation of John Webb Press Services, saw Rodney Clarke drive a few sedate laps in the prototype 2½-litre four-cylinder Alta-engined, all-enveloping Connaught Type-B Grand Prix car.
No attempt was made to over-publicise this latest model from the courageous little factory at Send in Surrey where Clarke and his colleague, Mike Oliver, had charge of a keen band of some forty engineers and draughtsmen, all eager to see Britain build an effective Grand Prix car.
The new car was effectively a prototype requiring further development and the 1955 Grand Prix (officially now entitled Formula 1) season was the target, but that too depended on funds - Connaught Engineering was a non-profit-making concern which did not receive monetary support from publicity-seeking concerns or organisations.
They decided that they would refrain ...
Points of note
£219,316
Lowest Price (All Time)
£219,316
Median Price (All Time)
£219,316
Highest Price (All Time)
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Rare Sale
This vehicle comes to market rarely. In auction records we've only seen 1 sold before
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