Get this. The editor of Fury Road (Margaret Sixel, who also happens to be George Miller's wife) took three months just to watch it all—and that's before she started editing. That's how much footage they shot. (Source).

All those vehicles you see in the chase scenes? They were real cars, built by awesome designers who had to make them both look cool and, you know, run. (Source.)

The actresses playing the Vuvalini? Yeah, they did their own stunts. How's that for kickbutt? (Source.)