The Austin-Healey 100 was introduced in 1953 at the London Motor Show. The “100” in its name refers to the car’s top speed of 100 miles per hour.

The 100/4 was powered by a 2.6-liter (2,660 cc) four-cylinder engine. The engine, known as the Austin A90, was capable of producing around 90 horsepower.

The design of the 100/4 was a collaboration between the Healey Motor Company and BMC. The bodywork was crafted by Jensen Motors, and the overall design featured classic British roadster styling with a long hood, a compact two-seater cockpit, and a short rear end.

The Austin-Healey 100/4 paved the way for the development of subsequent Big Healey models, including the Austin-Healey 100/6 and the Austin-Healey 3000 series, which had six-cylinder engines.

The 100/4 gained recognition on the racing circuit, including success at the 24 Hours of Le Mans and other international races.