It used 4.1 L Lampredi V12 engine producing around 280 PS (206 kW) at 6600 rpm, for a maximum speed of 280 km/h.
Chinetti and Lucas finished the race at third place in berlinetta.
MM used the same 4.1 L Lampredi V12 with similar three Weber 40DCF carburettors that helped the 340 achieve 280 PS (206 kW) at 6600 rpm and a maximum speed of 282 km/h.
[5] Giannino Marzotto won Mille Miglia 1953 edition in Vignale spider, setting a new average speed record for the race; with other 340 MM finishing fourth.
Two more 340 MMs were entered that year in Touring barchetta guise but did not finish.