Tradingpost has 0 Holden Sedan cars for sale between $20,000 and $30,000 in Railway Estate, QLD. 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 Holden Sedan always be sure to check out the wide range listed on Tradingpost!