£56,250 • £50,000 - £70,000
1954 Austin Healey 100/4 BN1 Le Mans Upgrade Roadster
United Kingdom • 8 Nov 2025
Vehicle Details
AI Listing Summary
This 1954 Austin Healey 100/4 BN1 Le Mans Upgrade Roadster, originally exported to the US and later returned to the UK, underwent a documented restoration and was upgraded to 100M 'Le Mans' specification, including engine rebuild and gearbox replacement, enhancing both performance and drivability.
Accompanied by an exceptional history file with restoration records and service invoices, it boasts successful completion of road rallies and inclusion of original parts for FIVA registration, offering a blend of period style, performance, and documented provenance.
Condition
8
The car has had a photo-documented restoration to a very high standard a few years ago and has been fastidiously maintained since. The underside remains structurally excellent and painted to match the body, reflecting the quality of the restoration. There are no mentions of any dents, paint damage or curb marks.
/ 10
Manual
Transmission:
BN1L219430
Chassis No:
Odometer:
[Odometer Reading]
WSU 413
Reg Number:
RHD/LHD:
RHD
Built in September 1954 and originally exported to the US, this BN1 returned to the UK in 1989 and was treated to a documented, photographic restoration and refinished in its current Dark British Racing Green between 1989 and 1993.
Since then, it has been fastidiously maintained and sympathetically upgraded, creating an outstanding fast-road Healey with genuine long distance rally credentials.
In current ownership since 2021, the car was entrusted to highly regarded marque specialists, JME Healeys, from 2018 onwards for ongoing maintenance and performance upgrades.
The engine was fully rebuilt and converted to 100M ‘Le Mans’-specification in 2018 at a cost of £25,000 (invoice on file), including a DWR2 camshaft, 89mm high compression pistons and performance tuning.
At the same time, the original 3-speed gearbox was replaced with the superior BN2 4-speed with overdrive, significantly improving drivability.
A large core radiator and electric fan were added for better cooling, along...
Points of note
£44,672
Lowest Price (Since 2020)
£50,461
Median Price (Since 2020)
£56,250
Highest Price (Since 2020)
World Record
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Top 10%
The sale price places it in the top 10% of sold prices we've ever seen for the Austin-Healey 100/4 BN1 Le Mans
Lowest Price
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Average Price
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Rare Sale
This vehicle comes to market rarely. In auction records we've only seen 6 sold before
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Previous Sales
Gallery
MOT Information
Expired
Expired on Nov 20 2018
Latest MOT Mileage
22,002 miles
Registration Date
1955-12-31
MOT History
Passed
On Nov 21 2017 with 22,002 miles
Passed
On Aug 11 2012 with 21,000 miles
Passed
On Aug 03 2011 with 20,511 miles
There were 3 defects noted.
Advisory:
- Nearside Rear Leaf spring deteriorated but not seriously weakened (2.4.B.1a)
- Offside Rear Leaf spring deteriorated but not seriously weakened (2.4.B.1a)
User Entered:
- n/s/r tyre sidewall perishing
Passed
On Aug 12 2010 with 20,511 miles
There were 2 defects noted.
Advisory:
- Nearside Rear Leaf spring deteriorated but not seriously weakened (2.4.B.1a)
- Offside Rear Leaf spring deteriorated but not seriously weakened (2.4.B.1a)
Failed
On Aug 11 2010 with 20,511 miles
There were 5 defects noted.
Fail:
- Nearside Headlamp not working on dipped beam (1.7.5a)
- Offside Headlamp not working on dipped beam (1.7.5a)
- Nearside Headlamp not working on main beam (1.7.5a)
Advisory:
- Nearside Rear Leaf spring deteriorated but not seriously weakened (2.4.B.1a)
- Offside Rear Leaf spring deteriorated but not seriously weakened (2.4.B.1a)
Passed
On Aug 06 2009 with 20,511 miles
There were 2 defects noted.
User Entered:
- Oil leaking from rear axle/o/s rear hub
- oil leak from query pressure relief valve
Failed
On Aug 05 2009 with 20,511 miles
There were 7 defects noted.
Fail:
- Nearside Rear Shock absorber has negligible damping effect (2.7.5)
- Offside Rear Shock absorber has negligible damping effect (2.7.5)
Pass after Rectification at Station:
- Bonnet retaining device ineffective (8.4.2)
- Nearside Headlamp does not operate immediately when selected on dipped beam (1.7.4a)
- Offside Headlamp does not operate immediately when selected on dipped beam (1.7.4a)
User Entered:
- Oil leaking from rear axle/o/s rear hub
- oil leak from query pressure relief valve
MOT Mileage Trend
