It would want to be an extremely good example for that price. See the quote from
www.redbook.com.au for your car below. However I've seen them go even cheaper again.
AU XR6 Sedan 4dr Man 5sp 4.0i
Prices based on km 120,000 - 200,000
Trade in price guide* $6,600 - $8,100
National average price - private sale* $8,800 - $11,400
Price when new (RRP) $38,990