Australian Car Network (AUCN) is a free car trading platform, professionally designed to provide services for new and used cars transactions, quality inspection services, finance and insurance services and after-sale services. The automobile trading market is finally innovated to be transparent and efficiently accessible, as AUCN allows online management of transactions with full-free car advertising. Private sellers and dealers alike, can advertise their cars for free without limits, bridging connections between car buyers and sellers in the community and smoothing out the journey for everyone.