These days car prices r going low.also your car is not in "Mashallah" condition honestly speaking,May be bitter but truth.Do following thins if u wanna get reasonable price
1.Look my bro, as u r gonna sale it so please remember by apparent condition,buyer get complete x-ray of ur car. e.g if you have nasty seat covers,automatically what comes in mind that owner is careless so he might not giving attention on timely changed oil,timely maintenance etc.
this is similar to what when your aunty goes to see bride girls for their sons, they always go to see girl's home specially toilets cleanliness & cleanliness of drawing room curtain, dirt on table etc. by this they get idea that girl is lazy etc. similar is with car my brother
Your spoiler is showing idea that u might be racer so u must had hard pushed car for racing/draging so middle age people like me will not ever buy car from such users who use car for sports
2.Your car is mirror to your personality so always care for it
3.First of detailing of car should be done
4.Replace your seat covers and floor mats with some decent
5.remove spoiler
6.remove extra stickers
7.get your car serviced and clean /lusture your dirty dashboard
8.Take picture from decent mobile or good pixel camera with proper light
9.remove bumpers extensions and do ribbon polish
10.beleive me these tips will give u fast response