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Not Sold (Est: £75,000 - £95,000)
The ex-R.V. Marchant/Bill Hill 1965 Lotus-Rotorvic 23B 1.5-litre V12-Engined Sports-Racing Prototype
United Kingdom • 11 Jul 2025
Vehicle Details
AI Listing Summary
This is a unique 1965 Lotus-Rotorvic 23B, a British sports-racing prototype with a V12 engine created by combining six Ariel Arrow engines. It has a rich history, including display at the Donington Grand Prix Collection and racing at the Goodwood Revival, but also suffered engine failure and underwent a major rebuild.
Condition
6
The car has undergone a long-term rebuild, indicating that significant work was needed. It has experienced a piston failure and engine issues in the past. While it's now considered "track ready," further preparation and testing are recommended, suggesting it's not in perfect condition. There is mention of the car being raced at Brands Hatch where it suffered an engine failure.
/ 10
Transmission:
Manual
Chassis No:
RDA - 1
Odometer:
[Odometer Reading]
Reg Number:
[Reg Number]
RHD/LHD:
[RHD/LHD]
• Unique V12 engined racer • Six Ariel Arrow engines combined to form a 12-cylinder two stroke engine • Previously displayed at the Donington Grand Prix Collection • Raced at the Goodwood Revival • Subject of a long term rebuild by Setford and Company We at Bonhams Cars are particularly delighted to offer here one of the most spectacularly specified 1 ½-litre British sports-racing cars ever to have been conceived and produced during the core classic and Historic era of the mid-1960s.
This incredible one-off Rotorvic, which combines the chassis/body structure of the super-competitive Lotus 23B with a unique 1,482cc Ariel Arrow-based air-cooled V12-cylinder two-stroke engine, attracted considerable attention upon its debut in 1965.
That February saw John Bolster - the famously deer-stalker wearing, moustachioed pre-war racer/hill-climber and postwar ERA driver who had co-founded ' Autosport ' magazine - report in it: "This car designed by R.V.
Marchant and driven by Bill Hill has a Lo...
Points of note
£2,860
Lowest Price (Since 2020)
£66,768
Median Price (Since 2020)
£74,014
Highest Price (Since 2020)
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