Cadillac declares readiness for any F1 engine regulation changes

Cadillac has declared it will be ready for any outcome as F1's engine regulations face potential upheaval. The team, set to join the grid in 2026 with Ferrari power units, plans to become a works squad with GM's own engine from 2029. But FIA president Mohammed Ben Sulayem recently signaled a desire to return to normally aspirated V8 engines by 2031 at the latest, creating a major headache for the American outfit.

Why it matters:

The proposed V8 shift could force GM to invest heavily in a complex power unit for only three seasons (2029-2031) before spending again on the new V8 formula. That uncertainty threatens the economic viability of Cadillac's long-term engine program. Team principal Graeme Lowdon emphasized the need for regulatory stability to enable efficient planning and racing.

The details:

• Current plan: Cadillac uses customer Ferrari engines from 2026, then builds its own GM power unit from 2029 under the current engine regulations expected to run through 2030 or 2031.
• FIA proposal: Ben Sulayem wants F1 to adopt a V8 engine by 2031, potentially making the GM engine obsolete after a short lifespan.
• Lowdon's stance: We had to be ready to react to anything because of our entry uncertainty. We respect the regulations and will be ready for whatever is thrown at us. That said, stability and clear visibility would make the task easier.
• Adaptation: If GM cannot justify the investment, Cadillac could remain a Ferrari customer through the V8 transition, a simpler but less ambitious path.

What's next:

The FIA and F1 will decide the engine roadmap in the coming months. Cadillac is building a new power unit factory anyway, but the final regulation clarity will determine whether it becomes a full works team or stays as a customer. Lowdon summed it up: We have to be ready for anything, but we'd all welcome some stability.

Key context: GM's entry into F1 is a landmark for American motorsport, and regulatory uncertainty could delay or reshape its ambitions.