The America Roadster emerged from the crucible of American racing, guided by influential figures like Max Hoffman and John von Neumann, both firm believers that race results translated directly into showroom demand. In early 1952, Hoffman pushed Porsche to build a weekend racer derived from the 356—something lighter, cheaper, and stripped of excess. The answer was the 356 Type 540 America Roadster.
Using the familiar 356 foundation, the Type 540 reduced mass wherever possible. A hand-shaped aluminum body, removable windshield, and bare-bones roadster configuration underscored its single-minded focus on weight savings.
On the road, it delivered an unfiltered, energetic feel, thanks to a competition-prepared 528 engine featuring a roller crankshaft, larger Solex carburetors, and around 70 horsepower. By modern standards the output seems modest, but paired with low weight, independent suspension, and capable brakes, the driving experience was sharp, engaging, and remarkably confidence-inspiring for the early 1950s.
Commercially, the America Roadster failed to gain traction. Yet its importance lies in what followed. Convinced there was still demand for a simplified, lightweight 356, Hoffman continued to press Porsche. His persistence paid off in September 1954, when the Porsche 356 Speedster debuted at the Frankfurt Motor Show. The Speedster became a runaway success, winning countless races and cementing its place as one of Porsche’s most enduring and iconic models.
Source: Hagerty Drivers Foundation










