For information of every one, I have 1.8 Altis A/T @ 30,000kms;
City with fulltime A/C = 9.6 ~ 10kms/ltr.
Motorway with A/C @ 120kms/hr = 13.8 ~ 14kms/ltr.
This is what I have been averaging, and satisfied enjoy the getup & go of the 1.8 Engine.
Think 1.6 should do the same in city.