The opponents of liberalisation are mainly the large motor manufacturers, who argue that independent producers will sell parts more cheaply, as they do not have to bear the cost of designing and developing new products.
Liberaliseerimise vastased on peamiselt suured autotootjad, kes väidavad, et sõltumatud tootjad müüvad osasid odavamalt, kuna nemad ei pea kandma uute toodete disainimise ja arendamise kulusid.