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Not Sold (Est: £1,875,400 - £2,250,480)
1927 Bugatti Type 35B Grand Prix
United States • 16 Aug 2025
Vehicle Details
AI Listing Summary
This Bugatti Type 35B, chassis 4817, boasts a significant racing history, particularly with Louis Chiron. It retains its original chassis, engine, and data tag, and has undergone restoration to return it to its original specifications after an engine swap earlier in its life.

Condition
7
While the car retains its original chassis, engine, and data tag, and has been restored, its history includes an engine swap and bodywork replacement. The listing highlights its racing history and recent restoration to original specification, but the past modifications prevent a higher rating.
/ 10
Transmission:
Manual
Chassis No:
4817
Odometer:
[Odometer Reading]
Reg Number:
[Reg Number]
RHD/LHD:
RHD
Chassis: 4817
Engine: 126T
Salesroom Addendum
Please note that a new title has recently been processed and should be available shortly following the auction.
A Historically Significant Grand Prix Bugatti with Period Competition History
Multiple Race-Winning Car in the Hands of Louis Chiron
A Fixture in the Renowned Dr.
Peter Williamson Bugatti Collection for Decades; Just Two Owners Since 1964
Retains Matching-Numbers Chassis, Engine, and Data Tag per Factory Records
Documented by Noted Bugatti Historian Pierre-Yves Laugier
2,262 CC SOHC Inline 8-Cylinder Engine
Single Solex Carburetor
Roots-Type Supercharger
Estimated 130 HP at 5,500 RPM
4-Speed Manual Gearbox
4-Wheel Cable-Operated Mechanical Drum Brakes
Front Solid Axle with Semi-Elliptical Leaf Springs
Rear Live Axle with Reversed Quarter-Elliptical Leaf Springs
Considered by many to be the finest racing car of its period and one of the most enduring automotive designs of all time, the Type 3...
Points of note
£333,500
Lowest Price (Since 2020)
£1,113,660
Median Price (Since 2020)
£4,020,361
Highest Price (Since 2020)
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Previous Sales
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