As we probably are aware, the value you can get for selling a vehicle relies upon its make, model, condition, and age.
To realize the best cost to sell your vehicle for you need to explore the market.
Discover out how much others sell a similar car, look at changed costs on TradeMe, or even better, get your vehicle assessed by reliable associations like AA, for one.
You'd need to go at a cost that is reasonable yet not very low for yourself as well as your purchaser so that you'll get a decent benefit.
Cheers, With adoration.