In 1937, Ardex presented the new 4-wheel speedster — Type Aero 37. It got a streamlined body without doors and roof for 2-3 passengers. The car was fitted with a 4 hp engine which accelerates the microcar to 46 mph (75 kmh). The range is 60 miles (100 km). Its price in 1937 was 5,500 fr. I t was the cheapest car available on the French market at that time. This advertisement is the only picture of this rare car we have.