I bought a I 10 before 6 month, before first service I also feel lower milage but after first service it gives nearly 17 to 18kmpl.Its realy super in city drive also very nice car in this series.No vibration, nice interior, excellent look, very gud suspension, nice boot space.totaly I feel I 10 is the superp car.i Love i10.I had my 2 free services done and I am getting a mileage of approx 17 KMPL on Highway with AC. Its drive is too comfortable and looks are also fantastic. Its AC is very effecting and music system simply ROCKS.