Well here in lahore i am getting 120 kms (non ac) / 105 kms (ac) on cng and engine is 1.6L driven 66000 kms
On highways i have acheived figure of 162 kms (non ac).
However on petrol car runs for about 350 kms in one fuel tank giving 9 kms / liter average in city.
Pretty satisfied with power to mileage ratio...