A bit of a downgrade from 2015 Grande. If your grande has cruise, steering buttons n immobiliser then a major downgrade.
Grande is quite cheap to maintain. So, what are your expenses?
Only in motorway fuel economy the 1.5 City would be better.
On grande youโll get like 14 km/L but on City at same drive rpm youโll get around 16 km/L to max 17.
Itโs not a huge difference if your motorway travel is not massive.
Within city both will have similar averages. Maybe 1km/L difference.
Otherwise oil n oil filter change are needed in both n roughly cost same.