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In 1955, Healey produced 50 full-competition 100S variants, and later that year, the 100M arrived with engine modifications including a high-lift camshaft, larger carburetors, higher-compression pistons, a free-flowing intake manifold, a cold air box and a special distributor. Output increased from 90 to 110 hp and the suspension received larger anti-roll bars, while the louvered bonnet was retained by a Le Mans-specification leather strap. The result was a performance enhancement not exceeded by even the later six-cylinder models. When production ended on July 16, 1956, just 640 examples of the 100M were built.

Chassis & Sales

1956 Austin-Healey 100 Le Mans - sold for $64,900 According to the accompanying British Heritage documents, this lovely car is an original left drive example and finished in its original colors of Reno red with black seats and red piping, the Healey was also complete with the laminated wind screen and heater. The restoration was done to concours standards beginning with the chassis, which was primed, sealed and painted with catalyzed enamel. All of the bodywork was done to the same standar... more
Gallery: 2009 Automobiles of Amelia Island RM Auction

1955 Austin-Healey 100M Roadster - did not sell for $100,000 As confirmed by its corresponding British Motor Industry Heritage Trust Certificate, this factory-built, left-hand drive Austin-Healey 100M was completed on September 9, 1955, just four days after production of the model commenced. It was immediately shipped to the USA, and as a BN2 model, it was equipped with a four-speed gearbox and overdrive. Other original features included a heater, a laminated windscreen and the louvered bonnet character... more
Gallery: 2010 RM Automobiles of Amelia Island Auction

1956 Austin-Healey 100M Le Mans Roadster - sold for €106,400 This particular car is an excellent example, not only because it is a genuine factory-built “Le Mans,” of which only about 170 are known to have survived, but also because it has been freshly restored by a well known Healey Hundred collector. The restoration required 2,100 hours and utilised only the best available parts and many NOS pieces. It has only 150 test kms on its odometer and is in as-new condition, complete with “Le Mans 24” headlam... more
Gallery: 2010 RM Auctions Sporting Classics of Monaco

1956 Austin-Healey Factory 100M "Le Mans" Roadster 232949 - sold for $143,000 A beautiful left hand drive, two-seat roadster, chassis 232949 was built on June 6th, 1956 and was exported to North America where it is believed to have raced in the New York SCCA region. It was then purchased by the previous owner who drove it in the ’60s and then stored it for 30 years before undertaking an $85,000 frame-off restoration that was completed in 2002. This handsome roadster sports a four-speed manual transmission with overdrive... more
Gallery: 2011 Amelia Island Auction by RM Auctions

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