A proposed $58 billion merger to create the world’s fourth-largest carmaker appears on the verge of collapse after Honda made an unexpected proposal to turn Nissan into a fully owned subsidiary, according to three people familiar with the matter.

There's strife of the horizon as Nissan vehemently opposes Honda's suggestion of making the struggling carmaker its subsidiary.

Nissan is still holding “various discussions” with Honda, the carmaker said Wednesday in response to media reports that it is set to scrap merger talks with its larger rival. The two Japanese companies announced in December that they would conduct negotiations over the following six months on a possible merger,