Austin-Healey 100: the original Big Healey (1953-1959) The Austin-Healey 100 is the car that started the marque, the original Big Healey, named for its 100 mph top speed. A guide to the four-cylinder 100/4 (BN1 and BN2), the high-performance 100M and the rare 100S, the six-cylinder 100-6, what to look for when buying, and what they are worth.
