Complex sentence: This version of the Azera was developed over a period of three and half years with a cost 450 billion won.The 4 cylinder has a fuel economy of 12.8km/l and the V6 is rated at 11.8km/l.
Split into simpler sentences: This version of the Azera was developed over a period of three and half years with a cost 450 billion won. The four-cylinder has a fuel economy of 12.8km/l and the V6 is rated at 11.8km/l.