Car Next Door is an Australian peer-to-peer marketplace that lets car owners rent their cars to their neighbours when not using it. Services in Melbourne and Sydney. Has a strict membership criteria, a booking system, insurance and in-vehicle technology to make the transaction safe, fast, keyless and easy for both parties. More than 10k subscribers who lend their car for 20-40 % less than the cost of hiring. The average owner makes $220 a month, Aug 2014.