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Nissan–Honda Merger Talks End; Mitsubishi’s Tripartite MOU Is Also Terminated

Nissan and Honda never completed a merger. They ended integration talks in February 2025, while also terminating a separate MOU involving Mitsubishi; strategic cooperation continued.
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No Nissan–Honda merger was completed. On February 13, 2025, Nissan and Honda ended discussions about a possible business integration and terminated their memorandum of understanding (MOU). Mitsubishi Motors was considering potential involvement, but the three companies also ended a separate MOU about a three-way collaboration structure. Their strategic partnership did not end with those talks.

What was cancelled—and what was not

The word “merger” is shorthand for a proposal that never reached a completed transaction. Nissan and Honda’s December 23, 2024 MOU set out a process to consider business integration; it did not mean the companies had agreed to merge. On February 13, 2025, they agreed to terminate that MOU and discontinue the discussions. Nissan’s original announcement said the review was beginning, not that integration had been decided; the joint termination announcement records the decision to stop.

Mitsubishi Motors was not a party to a completed Nissan–Honda merger. It was considering potential involvement in the integration discussions, while Nissan, Honda, and Mitsubishi separately considered a structure for tripartite collaboration. The three companies terminated that separate MOU on February 13 as well. Mitsubishi’s announcement says they would continue their strategic-partnership framework.

Why Nissan and Honda ended the talks

The companies said they had considered different structures. Their original MOU contemplated a joint holding company, with Honda appointing a majority of its directors and a CEO following a joint share transfer. Honda later proposed a share exchange that would make Honda the parent company and Nissan its subsidiary.

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In their joint announcement, the companies said they concluded it was more appropriate to end the discussions, prioritizing the speed of management decision-making and execution in a rapidly changing market as electrification advanced. That is the companies’ stated rationale; it should not be confused with a claim that the proposed integration had already been approved or implemented.

In contemporaneous reporting, the Associated Press quoted Nissan CEO Makoto Uchida saying he could not accept the subsidiary arrangement because it “was not going to realize Nissan’s potential.” The AP also reported Honda CEO Toshihiro Mibe’s response: “I am really disappointed.” These remarks add the executives’ perspectives to the companies’ joint explanation; they do not change the formal outcome.

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What happened to the partnership

The end of integration talks did not end all cooperation. Nissan and Honda said they would continue collaborating within a strategic-partnership framework focused on vehicle intelligence and electrification. Mitsubishi’s release likewise described continued work within that framework after the tripartite MOU was terminated.

A later example is bilateral, not a revival of the proposed integration: on August 31, 2026, Honda announced that Nissan and Honda had concluded a joint-development agreement to standardize electronic control units (ECUs) and software for next-generation software-defined vehicles. Honda described the work as intended to improve development speed and investment efficiency. Mitsubishi was not identified as a party to that agreement. Honda’s announcement describes the agreement and its scope.

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Quick Recap

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Key dates

  • August 1, 2024: Nissan and Honda established a strategic-partnership framework focused on intelligence and electrification.
  • December 23, 2024: Nissan and Honda signed an MOU to consider business integration. Mitsubishi was considering possible involvement, with a decision on participation expected by the end of January 2025.
  • February 13, 2025: Nissan and Honda terminated their integration MOU; the three companies also terminated their separate MOU on a tripartite-collaboration structure.
  • August 31, 2026: Honda announced the Nissan–Honda ECU and software joint-development agreement.

What the cancellation means for readers

  • There is no newly merged Nissan–Honda company resulting from these talks.
  • The proposed parent–subsidiary structure did not take effect; it was one alternative discussed before the parties ended negotiations.
  • Mitsubishi’s potential involvement in the integration discussions did not make it part of a merger. Its separate three-company MOU was terminated.
  • Subsequent collaboration, including the 2026 software agreement, is partnership work—not evidence that the cancelled integration was restarted.

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