Has an AFL game ever ended 54-30?
It has. 54-30 has been a AFL final 3 times in 16,622 games. The first was Essendon beat Sydney on July 9, 1898; the latest was St Kilda beat Richmond on August 7, 1915.
That makes 54-30 the 1534th most common final score out of 6,607 that have ever occurred in AFL. One point away, 55-30 has happened 3 times and 54-31 has happened 2 times. Nearly all of its occurrences fall between 1890 and 1919.