Hyundai commenced development of the YF Sonata in 2005, with a growth expense of billion. In the Australian, New Zealand, Singaporean, as well as Colombian markets, the YF is retailed under the name Hyundai i45, complying with the alphanumeric i-series nomenclature developed by Hyundai in these markets. The automobile was badged as a “Sonata” in Eastern Europe, equally as in The United States and Canada and also South Korea.