I have so been in your shoes, price differential included! Imo,
- the smaller size looks absolutely better in the unbuttoned style, the larger size seems to swallow you abit.
- the smaller size also looks marginally better from behind because of a more fitted look/less material gathered around the torso above the belt.
- buttoned over thick clothing from the front the larger size looks better due to less wrinkling.
This, numerically imo its 2:1 in favour of the smaller size but more practically, I would choose based on how your will be wearing it more often.
- the smaller size looks absolutely better in the unbuttoned style, the larger size seems to swallow you abit.
- the smaller size also looks marginally better from behind because of a more fitted look/less material gathered around the torso above the belt.
- buttoned over thick clothing from the front the larger size looks better due to less wrinkling.
This, numerically imo its 2:1 in favour of the smaller size but more practically, I would choose based on how your will be wearing it more often.