There are a lot of factors that go into making a decision like that, in particular, the developer's experience using CodeIgniter and writing PHP code.
Out of the box, FUEL CMS provides you the functionality to create pages as well as your own modules to customize it to fit your need. I'd suggest you read the documentation to get a better sense of what FUEL CMS can do for you. http://docs.getfuelcms.com
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Out of the box, FUEL CMS provides you the functionality to create pages as well as your own modules to customize it to fit your need. I'd suggest you read the documentation to get a better sense of what FUEL CMS can do for you.
http://docs.getfuelcms.com
Below are some of the more popular areas of the documentation:
http://docs.getfuelcms.com/modules/tutorial
http://docs.getfuelcms.com/general/forms
http://docs.getfuelcms.com/general/models