 Originally powered by a 4.7-litre 90° V8 fed by four twin-choke 38 DCNL5 Weber carburetors that was rated at 290 hp, the car managed to turn out a top speed between .In 1969, however, contrary to Maserati tradition, the Mexico was also made available with a smaller, 4.2-litre V8 engine.Apart from the smaller engine option the Mexico underwent few changes during its production life span.