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Not Sold

Ex–Mille Miglia Storica 1949 Alfa Romeo 6C 2500 Sport Barchetta Competizione

United Kingdom • 1 May 2025

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Vehicle Details

AI Listing Summary

This 1949 Alfa Romeo 6C 2500 Sport boasts a unique history, having been modified for racing by Martin “Macoco” de Alzaga Unzue. Featuring a custom barchetta body, performance upgrades, and a recent mechanical refurbishment, it presents a blend of classic aesthetics and enhanced performance.

However, the car is sold on a bill of sale without registration, and the odometer is non-functional, which may affect its value and usability.

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Condition 

7

This 1949 Alfa Romeo 6C 2500 Sport has undergone a multi-year mechanical refurbishment, including overhauls of the engine, gearbox, suspension, and brakes. While it has a custom open-top barchetta body and is equipped with performance upgrades like triple Weber carburetors and an auxiliary oil cooler, the odometer is non-functional, the car has not been registered for street use, and it is being sold on a bill of sale. This indicates it is in very good condition with reconditioning.

/ 10

Transmission:

Manual

Chassis No:

916454

Odometer:

900 miles

Reg Number:

[Reg Number]

RHD/LHD:

RHD

Shown, TMU 2,443cc DOHC Inline-Six Triple Weber Carburetors Four-Speed Manual Transmission Custom Open-Top Barchetta Bodywork Red Paint Tan Leather Upholstery 16" Knock-Off Wire Wheels Four-Wheel Hydraulic Drum Brakes Electric Cooling Fan Auxiliary Oil Cooler Side-Exit Exhaust System
This 1949 Alfa Romeo 6C 2500 Sport was shipped when new to Montevideo, Uruguay, for delivery to Argentine bon vivant Martin “Macoco” de Alzaga Unzue.

Having previously campaigned at the Indianapolis 500 and Italian Grand Prix in the early 1920s, the amateur driver commissioned modifications to chassis 916454 for racing purposes including increasing the power output of the factory 2,443cc inline-six, shortening the chassis, and installing a modified rear axle with leaf springs and shock absorbers.

Originally delivered as a Freccia d’Oro, the car was also outfitted with open-top barchetta bodywork believed to have been designed by Medardo Fantuzzi.

It was then piloted by Macoco, and several decades and o...

Points of note

£48,963

Lowest Price (Since 2020)

£191,511

Median Price (Since 2020)

£247,018

Highest Price (Since 2020)

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Previous Sales

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