Has an AFL game ever ended 171-32?
Exactly once. On July 16, 1993, Adelaide beat Richmond 171-32, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 171-32 in league history.
That makes 171-32 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 172-32 has happened never and 171-33 has happened never.