Automakers Improve Relationships with Suppliers - Autoline Exclusives

Why It Matters

Improved OEM‑supplier relations lower disruption risk and support the costly EV transition, directly impacting profitability and competitive positioning.

Key Takeaways

• All automakers showed measurable improvement in supplier relationship scores.
• Tariffs and EV transitions dominate supplier concerns this year.
• Toyota leads with consistent, fair processes; Honda lags due to EV uncertainty.
• Return-to-office boosts buyer responsiveness and trust across OEMs.
• Ford and Stellantis achieve biggest gains via new buyer tools.

Summary

The latest Plant Moran survey reveals that every major automaker has lifted its supplier‑relationship scores, despite a turbulent year marked by tariffs and the rapid shift toward electric vehicles. Analysts attribute the gains to proactive OEM initiatives, more transparent commercial practices, and a surge in supplier feedback—10,000 verbatim comments versus 3,000 the prior year.

Key metrics improved across the board: fairness in transactions, cost‑reduction support, and long‑term profitability outlooks all rose. Notably, buyer‑characteristic scores jumped in nine of sixteen measures, a trend linked to the return‑to‑office mandate that restored face‑to‑face interaction and faster problem‑solving.

Toyota posted a statistically significant rise, reinforcing its reputation for consistent, fair engagement. Honda’s scores slipped slightly as EV write‑offs disrupted its production plans, while GM wrestled with resiliency expectations. Nissan’s turnaround earned higher long‑term ROI confidence under new leadership, and Ford and Stellantis posted the steepest gains after launching buyer directories, two‑way scorecards, and supplier help desks.

The findings suggest OEMs are internalizing lessons from successive crises, shifting from adversarial to partnership models. Strengthened collaboration reduces supply‑chain friction, accelerates EV rollout, and bolsters profitability—critical advantages as the industry navigates ongoing geopolitical and technological upheavals.

Original Description

The consulting firm Plante Moran publishes its Working Relationship Index every year that measures what suppliers think of automakers across different parts of the business involving 20 different commodities. It surveys 750 executives from the top 78 suppliers. And the big surprise this year is that every automaker improved the way it works with suppliers. Dr. Angela Johnson from Plante Moran shares more insights into the survey

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