8th Gen Civic - Concerns on fuel economy

[NeoNode]

I think you're better off buying a diesel car if you're THAT concerned about fuel economy.

Although the only thing that I can think of being the small Polo TDI lol.

[Arcturus]

I think you're better off buying a diesel car if you're THAT concerned about fuel economy.

I would if I could, nothing really in my price range or specifications. I'm just wondering why many reviews suggest a figure close to 7/100k whereas everyone else is getting much worse.