Anything you add in your car is nothing to a buyer, he will buy it at fair market value or less. Those things are bonus to a buyer and he will never pay for it. That is also why binabalik ng seller and mga OEMs then sells the upgrades seperately for more profit.
Honestly genuine and synthetic leather doesnt breathe like fabric and retains heat, maganda at mabango tingnan pero masakit sa balat pag babad sa araw.