The Hyundai Santro has been launched in India at prices ranging from Rs 3.90 lakh to Rs 5.64 lakh. At this price range, some of its variants inevitably go up against the Renault Kwid, which retails at prices ranging from Rs 2.66 lakh to Rs 4.63 lakh (all prices, ex-showroom Delhi). But if you are looking to get the best bang for your buck under Rs 5 lakh, which one of these should you go for?