Tradingpost has 0 Audi A4 Wagon cars for sale in Mount Kuring-gai, NSW. As Australia's favourite way to buy and sell for over 50 years, Tradingpost is the trusted way to sell your current car, and find your next car at a great price! When looking to buy or sell a Audi A4 always be sure to check out the wide range listed on Tradingpost!