Not a car that I really know, but if it can help, I found this on Nissan US site:
https://usa.nissannews.com/en-US/releases/the-nissan-altima-a-look-back-at-generations-1-to#

On English wiki it says too that US Altima was similar to Australian market Bluebird:
https://en.m.wikipedia.org/wiki/Nissan_Bluebird