Not Sold (Est: £70,000 - £90,000)
Ex-Sir Ralph Millais 1951 Jaguar XK120 Roadster
Bonhams • UK • 19 Sept 2026
Market Position:
Market Average
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Track live values and receive listing alerts
Not Sold (Est: £70,000 - £90,000)
Ex-Sir Ralph Millais 1951 Jaguar XK120 Roadster
UK • 19 Sept 2026
Vehicle Details
AI Listing Summary
This 1951 Jaguar XK120 Roadster, a rare right-hand drive example, boasts single-family ownership for 55 years and has just completed an extensive, documented restoration, presenting in pristine, running-in mileage condition. It features a notable history, including ownership by Sir Ralph Millais, a keen racing driver.
Condition
10
The car has just undergone an incredibly extensive, 'last nut and bolt' restoration, resulting in immaculate condition with only running-in mileage. This indicates a pristine mechanical and cosmetic state, requiring no reconditioning.
/ 10
Manual
LXK 430
1951
Auction
660424
RHD
United Kingdom
Not Sold (Est: £70,000 - £90,000)
Ex-Sir Ralph Millais 1951 Jaguar XK120 Roadster
Bonhams • UK • 19 Sept 2026
Market Position:
Market Average
Track live values and receive listing alerts
Description
•
One of only 1,175 right-hand drive roadsters built • Single family ownership for 55 years • Fresh from a incredibly extensive photographically documented restoration • Running-in mileage only "We claimed 120 mph (for the XK 120), a speed unheard of for a production car in those days" - William Heynes, Chief Engineer, Jaguar Cars.
Introduced in 1948, the XK120 was produced until 1954 and would prove to be the most popular of Jaguar's XK series, with 12,078 examples built, of which only 1,175 were right-hand drive roadsters like that offered here.
Chassis number '660424' was built on 7th December 1950 and supplied by Henlys of London on 11th January 1951 to Wing Commander Sir Ralph Regnault Millais of the RAF, 5th Baronet of Palace Gate, Kensington and St Ouen, Jersey.
(The Millais baronetcy had been bestowed originally on Sir John Everett Millais, the famous artist and founder member of the pre-Raphaelite Brotherhood.) Sir Ralph was a keen racing driver, owning the ex-Henry Seagra...
Price Analysis vs Other XK120 Roadsters
£864
Lowest Price (Since 2020)
£65,497
Median Price (Since 2020)
£342,600
Highest Price (Since 2020)
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Previous XK120 Roadster Sales
MOT Information
Exempt / No Records
No digital MOT tests found for this vehicle.
Latest MOT mileage:
Unknown
MOT History
MOT Mileage Trend
Gallery
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Auction House Headquarters
Bonhams
101 New Bond Street, London, Greater London, W1S 1SR, England
Operating from London, Bonhams is a physical auction house handling classic, historic competition, and collector cars. They conduct live auctions globally, offering vehicle consignment, appraisal, and valuation services.
Insurance
