Tradingpost has 0 Ford Mustang Unspecified cars for sale under $5,000 in Belmont Area, WA. 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 Ford Mustang always be sure to check out the wide range listed on Tradingpost!