Has an AFL game ever ended 89-46?
Exactly once. On August 8, 1942, Sydney beat St Kilda 89-46, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 89-46 in league history.
That makes 89-46 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 90-46 has happened 4 times and 89-47 has happened 1 times.