Answer: more similar
Explanation: Qin and Han dynasties are two consecutive dynasties that date back to 3 century BC.
Han adopted most of Qin's system and convention until later years of ruling.So the similarities may only make sense when comparing Qin and early Han.
Major similarities between them:
1. Similar legal system
2. Same hierarchical and bureaucratic systems.
3. Same clothing traditions.
4. Similar attitudes to businessmen.
5. Similar military organizations and officer systems.