Want to purchase a new car

Want to purchase a new car

Hi , All I am new in this forum. and I want to buy a car and i visit volkswagen showroom for polo trendline model.At the same time i also found two more cars i.e. ford figo and fiat punto, and maruti swift. I want to know whether which will be the better among four.Please send me an unbiased opinion so that I can go for a perfect one. Regarding volkswagen I found some reviews where it is mentioned that the engine is underpowered and the engine consists of 3 cylinders but ford figo and punto have 4 cylinder engine , so please tell me that which one be the perfect one in this segment.and what is the difference between 3 cylinder and 4 cylinder engine and what is pros and cons