Tradingpost has 0 Nissan Gt-R cars for sale above $100,000 in Mt Gambier Region, SA. 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 Nissan Gt-R always be sure to check out the wide range listed on Tradingpost!