Model Number extra Letters

[adam perth]

I have seen that on a few Sydney assembled cars . I think the X is the series (HX) and R is for factory 253

[Vanhayden]

I have seen that on a few Sydney assembled cars . I think the X is the series (HX) and R is for factory 253

Yeah ok, I thought it was a bit weird I hadn't seen it before. Its funny how different factorys added more letters