Honda and Nissan Near Deal on Shared Car Software Platform

Honda and Nissan move toward a joint vehicle OS

Honda and Nissan are reportedly close to an agreement to develop a shared vehicle operating system and central compute platform, with plans to begin deploying the unified architecture in new models from early 2029. The move, first reported by Reuters, signals a push toward software-defined vehicles and more centralized automotive computing across major Japanese brands.

What the collaboration would mean

A combined vehicle OS and central computer could simplify development for infotainment, advanced driver assistance systems, over-the-air updates and electric vehicle controls. By standardizing both software architecture and hardware platforms, the partners aim to cut development costs and accelerate feature rollouts.

Honda has confirmed ongoing strategic talks with Nissan and Mitsubishi Motors about potential areas of cooperation, but stressed that no final deal has been signed. A Nissan spokesperson also said multiple options remain under review and that more details will be released if negotiations conclude.

We are discussing potential areas of software collaboration with Honda, said Nissan CEO Ivan Espinoza

Why now

Just over a year after a proposed $60 billion merger between the two automakers stalled, the rising expense of building software-centric vehicles is pushing manufacturers toward cooperative approaches. Shared platforms help spread R&D costs, standardize cybersecurity and speed time to market for connected car features.

• Timeline: target rollout from early 2029
• Scope: shared vehicle OS and central compute hardware
• Partners: Honda, Nissan, with talks involving Mitsubishi

For car enthusiasts and industry watchers, this partnership could reshape how Japanese automakers deliver digital experiences and advanced vehicle performance. Expect further updates if the companies finalize the agreement and outline technical specifications, performance targets and model lineups that will adopt the platform.