Battery Question

[ArcadiaPC27]

Physical dimensions (L x W) are the same between Group 24 and Group 34. Seeing purchase prices where Group 34 cost less than 24. Any reason not to go with the Group 34?
My 27 PC has a Group 24 for port starting and I would replace with an AGM Group 34.

 

[AllDodge]

From what I'm reading the 34 is a auto Bat and the 24 is marine. 34 has more slightly CCA but 24 has more reserve capacity

Just my take