320k Used Car (Sentra GS vs Lancer GLS)

Am thinking of getting a used car as a secondary car. But the car will primarily be used by my children. I will use this once a week for my coding day. I don't want a sub-compact. Other compacts are too pricey. I am considering just the Sentra GS or the Lancer GLS. My preference is an auto tranny.

Which car do you think is better in terms of:
1. Fuel economy
2. Looks
3. Reliability
4. Value for money

Thanks for those who can contribute real life experiences.

Happy new year!