Has an AFL game ever ended 171-82?
Exactly once. On June 18, 1983, Carlton beat Footscray 171-82, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 171-82 in league history.
That makes 171-82 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 172-82 has happened never and 171-83 has happened never.