MILAN/PARIS—Fiat Chrysler pitched a finely balanced merger of equals to Renault on Monday in a move to cope with the costs of far-reaching technological and regulatory changes by creating the world’s third-biggest carmaker.
If successful, the $35 billion-plus tie-up would alter the competitive landscape for rivals including General Motors and Peugeot maker PSA Group, which recently held inconclusive talks with Fiat Chrysler (FCA).