Rallyrep

Hi guys I need a little help as I want to sell my car in the next few months as I'm looking for a newer impreza to have as a daily drive,but I don't want to give her away and imprezas seem to vary so much in price, can anyone help with this,she is a Uk300 on a 51 plate she is build number 276 and fsh every bill from new and 61k on her spent over 5k on her this year keeping her mint'she has a few suttle mods but still have all standard parts,she's on new 18 x9j rotas and kn induction kit and cobra system, what should I be asking for her next January there's not a single scratch ot stone chip any where on her any advise would be great cheers Andy