ok yar here'e the deal.First the listing
Vitz
Chevy
Santro
Alto
Cuore
Now the explanation.
Vitz is the best but it's price is wayyyyyyyyyy above the others(I'm taliking about the new one's here, not used).
Chevy and santro are the same technology wise except the engine displacement. But chevy is korean assembled and is very safe. Santro on the other hand is pakistani assembled and it's made of tin. So if you plan to race around all the time and nothing else, buy a santro, damn it's fast, but if you want a practical car and love your life and also your family, buy a chevy.
Alto is fun to drive, an ok car but pakistan assembled and with a carb engine(though it's sound is not as irritating as fx,mehran,cultus,margalla). It also had the safety issue but everybody knows that if you buy a suzuki, you are safe on the money factor, great reasle but remember that alto had the highest priced parts in it's category, some parts like the bumper, cost twice as much as that of even a chevy(and you thought that chevy was expensine to maintain.)
Cuore is also a good car. Doesn't matter if it's lower in the list but it's very comfortable and gives a good overall experience(though the new model has really cheap plastics inside)
And I'm delighted to see that you didn't include mehran in the list. At last people are starting to realize that it's not even worth comaring it to other cars around.
I think this will make things easier for you...........