Relentless is almost the word. It's not an entirely accurate description as in Mad Max: Fury Road the motors do occasionally stop purring, and the characters do take moments to engage with each other in ways other than hyperviolence and generalised grunts. These moments are proudly fleeting, however, and for the most part the chase is also on, and the audience is advised to take a good deep breath when the Warner Brothers logo appears. Just in case.