The History of the 1959 Austin-Healey 100-6 One of the sleekest roadsters of the late 1950s, the Healey 100-6 improved upon the Healey 100 in a number of ways and paved the way for its successor, the Healey 3000. Not surprisingly, this plucky little vehicle has quite the history behind it. Widespread Praise Enhanced Engine Additional Seating Auto junkies who are fascinated by 1950s roadsters and British ingenuity will have a hard time overlooking the 1959 Austin-Healey 100-6. Gullwing Motor Cars