In my opinion
Alicia just leans toward classic names, while
Alice has long been considered classic.
I like
Alicia better, when it's pronounced ə-LEE-see-ə /ə.ˈliː.si.ə/.
My Top 3 "
Alice and its variants", including
Alicia:
1.
Alissa (
Alyssa) - I love how they sound
2.
Alice3.
Alicia