AC Ace Bristol Roadster

Without a doubt, the Ace stands as the signature achievement of the AC marque. The Ace prototype was introduced at the London Motor Show in October 1953, based on a sports racing car designed by John Tojeiro, with early-production cars powered by AC’s own two-litre six. With four-wheel independent suspension and a sleek body reminiscent of contemporary Ferrari Barchettas, the Ace immediately garnered praise. As written by Autosport tester John Bolster in 1954, “the machine does all the right things all the time,” continuing, “no emergency or advanced driving technique will ever catch it on the wrong foot.”

In 1956, the highly regarded 1,971 cc Bristol six-cylinder engine was made available for the Ace, effectively creating a new and separate model designation as the Ace Bristol. Initially offering 103 horsepower and rising to 125 in its ultimate D2 specification, this state-of-the-art power unit, with its overhead valvetrain and hemispherical combustion chambers, traced its origins to BMW’s pre-war 328 and continued to be very successful in racing well into the 1960s.

This car was auctioned off by RM Auctions in October of 2010 at the Battersea Evolution, London and in October of 2011 at the Battersea Evolution, London.

125 bhp, 1,971 cc Bristol 100D2-specification inline six-cylinder engine, three twin-choke carburettors, four-speed manual gearbox, four-wheel independent suspension with wishbones and transverse leaf springs, and four-wheel hydraulic drum brakes. Wheelbase: 90"

Source: RM Auctions
Photo Credit: Copyright Benson Chiu

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