the a55 mk ii entered production in australia in 1959 with a 1,622 cc version of the b series four-cylinder engine as the austin a60. australian use of the larger engine and the a60 name preceded british usage by two years. the a60 was replaced in 1962 by a revised model powered by a six-cylinder 2,433 cc engine. it was marketed as the austin freeway and was produced by bmc australia until 1965.