Hyundai santro CNG is the lowest budget best car. In CNG car AC working performance is low. Interior is good. Performance of the vehicle on CNG model is very good. Value of money is budgetable. Space of car is good. Average of car is about 12-14 Kmpl. Engine is 1086cc. Boot space is about 218 litres. It is nothing bad. In the gls CNG model Air conditioner, climate control, central locking, CD player, power steering, front power window are installed. Fuel tank capacity is about 35 liters. Is is reasonable car. Comfort is good.