As long as you are fine with the retrofit, there's no problem! But going by the textbook, with the 185/60 R13s, you might find that the tyres don't visually fill up the wheel arches as completely as the original 175/70 tyres your Esteem had. You might also find that the car has lost considerable ground clearance (especially with a full load of passengers/ luggage) and also, the speedometer/odometer both will both provide you with inaccurate readouts. Though it