The main reason why people go in for selling their car is to buy a better model or something a little classier. One must do a bit of homework before going into trying to sell the car to the first interested party. You should note down details pertaining to your car such as the model, how old is it, how many miles you have driven, the popularity of the car now and ofcourse the amount of repair works you have done on it. Cars that have been owner driven are said to fetch a better price than those driven by chauffeurs, simply because this directly reflects on the condition of the car.
While getting down to calculating the asking price, it is important to be clear about what it really is worth, no point in demanding a price that is not reasonable. If any major paint work or repair has been carried out, make sure to include that in the price as well. Any extra fittings or accessories that you have installed needs to be highlighted so the buyer knows he is getting more than just a used car. Also there is no harm in quoting a price higher than what you are likely to get as this makes way for some negotiation. So, once all the details are clear you can either put up a For Sale...