FIA reveals ADUO Results following first and second review periods
The FIA announced ADUO results for Mercedes, Audi, Ferrari, and Honda. Mercedes received 1 additional homologation for 2026 and 2027 due to a 2-4% performance gap. Audi, Ferrari, and Honda, with over 4% gaps, each received 2 homologations for both years. No changes were made after the second review period. The third review period will cover races 12-18 of the 2026 season.
How this was made

The 30-second read
Why it matters
First public disclosure of ADUO results for 2026, detailing which manufacturers receive extra homologations.
Market read
New ADUO allocations could affect the competitive dynamics of F1 power‑unit suppliers and related automotive stocks.
What to watch
Cost‑cap increases may offset benefits of extra development, affecting profitability.
Background
The FIA's ADUO mechanism allows under‑performing power‑unit manufacturers to receive extra development allowances.
Ticker impact
Ferrari received additional power unit development allowances under the FIA ADUO mechanism.
Modest upside as development flexibility improves.
Extra upgrades can narrow performance gap, likely viewed favorably by investors.
Honda was granted two additional power unit homologations for 2026 and 2027 under ADUO.
Slight upside as the allowance may boost competitiveness.
Additional upgrades could help close the performance gap to leading ICEs.
Market effects
May influence the broader F1 power‑unit supplier market and related automotive tech stocks.
Primarily affects European manufacturers involved in F1.
Limited to motorsport and high‑performance automotive sector.
Counterpoint
Extra allowances could signal underlying performance weaknesses, potentially dampening confidence.
Key entities
- Regulatory BodyFIA
Governs Formula 1 technical regulations and ADUO assessments.
- ManufacturerMercedes
Received one additional homologation for 2026 and 2027.
- ManufacturerAudi
Granted two additional homologations for 2026 and 2027.
- ManufacturerFerrari
Granted two additional homologations for 2026 and 2027.
- ManufacturerHonda
Granted two additional homologations for 2026 and 2027.

