Sir ,why is 3cylinder engine are used in tata tiago, noisy and vibrations are highlighted!To get a better power output or something technical? and 3 cylinder engines are also used in eco sport and boleno rs . does this makes any diference?

@SVP sir ,why is 3cylinder engine are used in tata tiago, noisy and vibrations are highlighted!To get a better power output or something technical? and 3 cylinder engines are also used in eco sport and boleno rs . does this makes any diference ?

Question asked from: http://www.carandbike.com/tata-cars/tiago