The 340 Mexico was a purpose-built racecar intended for the Carrera Panamerica. Three of these cars were built utilizing the Lampredi long bock engine. This engine was first seen in the 340 America having 220 horsepower. Thanks to the DCF3 carburettors setup, the Mexico 340 had 280 horsepower.
Along with the the cars intended for the Panamerica, one additional spyder build and never raced.