Has an AFL game ever ended 160-55?
Exactly once. On May 2, 2004, Melbourne beat Carlton 160-55, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 160-55 in league history.
That makes 160-55 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 161-55 has happened never and 160-56 has happened never.