(March 1955-February 1957) Engine 633 cm³, Weber 22 DRA carburetor, 21.5 hp (15.8 kW) at 4600 rpm, maximum speed about 90 km / h. Doors hinged on the back (suicide doors), sliding windows, turn signals on the fenders similar to the Topolino's ones, ...
(March 1957-February 1959) The engine remains unchanged, but the power increases to 22 hp (16 kW) at 4600 rpm, thanks to the Weber 22 IM carburetor. The descending doors windows are now using a crank mechanism, but without deflector, tail lights with...
(March 1959-September 1960) Further increase in the engine power, which with a Weber 26 IM carburetor and the compression ratio increased from 7:1 to 7.5:1 reaches 24.5 hp (18 kW) to 4900 rpm, for a top speed of 100 km/h. Consumptions unchanged. New...