Sakura doesn't love Naruto. That at leas is very clear throughout the story. She cares about him of course, but in a brotherly way. There's no romantical interest. She loves Sasuke and will always love Sasuke. And Naruto knows and understands this. And even - accepts this. Anime is being stupid showing him always drooling over Sakura.
I don't even imagine them together, because the memory of Sasuke will be always haunting them. They wouldn't be happy together. They would probably end up like Jiraiya and Tsunade.
Naruto may not have any deep feelings for Hinata either, but he sure does care about her. Also, he was clueless about Hinata's feelings before she confessed, so he didn't knew how to react. And of course, he already has a lot on his mind, with the war and Sasuke. And the look he gave her at the war arc seemed meaningful.
Anyway, I think Kishi will troll everybody, and leave that open. The story focuses more on the relationship between Sasuke and Naruto than anything, so it will end with that.