Heres the scenario:
We have 2 corollas with the following FCs

1. Altis with 70k on odo: 9.5km/l city driving
2. Altis with 28k on odo: 8km/l city driving

both are AT variants and both ran the same route (marikina-ortigas-marikina)

Is it possible that the newer altis' engine still needs some stretching (proper breaking in?). It was previously used for nearby trips lang (5km a day) while the older corolla was used for long trips.

Should I do some long trips to get a better FC on the newer altis?

TIA