The largest 4-cylinder engine in a production car belonged to the 1961 Pontiac Tempest Le Mans, with 194.5 ci capacity. Pontiac developed the Trophy 4 engine as a cost-effective solution ...
When the Tempest was redesigned into a midsize car for the 1964 model year, Pontiac discontinued the Trophy 4. The company would not produce another four-cylinder engine until 1977 (the Iron Duke ...