To sell your old car quickly in good price, post an add in popular free add posting website.  People will come to know about your car selling news from this add posting website.
How to post an add in ad posting website?

Keep in mind that people want to buy good condition’s old product in low price. So you should take some Picture of your car which looks attractive and write an attractive description so that people want to buy.

Click here to get (your local) Australian free add posting website list.

Thanks for the questions.