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League: F1Sport: MotorsportsCountry: GlobalCategory: Scores & Results

Red Bull seeks FIA review of ADUO results during Monaco Grand Prix

5 sources • 2 min read • Latest: Jun 12, 2026, 4:04 PM

Last updated Jun 12, 2026

Red Bull seeks FIA review of ADUO results during Monaco Grand Prix
Summary

Red Bull Ford Powertrains emerged as the benchmark following the first ADUO period during the Monaco Grand Prix weekend. The data revealed that Mercedes' internal combustion engine falls short by two to four percent. This insight reflects the ongoing competitive efforts within the field as teams adapt to new development opportunities. Red Bull's request for a review by the FIA indicates a potential challenge to the current standings and rules surrounding upgrades.

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Motorsport.comAutosport
By the Numbers
  • •ADUO offers teams additional upgrade and development opportunities.
  • •Mercedes trails Red Bull by two to four percent in engine performance.
  • •Red Bull's request may impact the regulatory framework for teams.
  • •Teams were informed of ADUO results during Monaco Grand Prix weekend.
Latest Updates
  • 4:04 PMMotorsport.com — “How it should be” – Mercedes backs FIA’s ADUO verdict after surprise Red Bull result
  • 4:04 PMAutosport — “How it should be” – Mercedes backs FIA’s ADUO verdict after surprise Red Bull result
  • 12:37 PMAutosport — What is ADUO? How F1's engine catch-up system works
  • 12:27 PMMotorsport.com — What is ADUO? How F1's engine catch-up system works, and became political
  • 11:43 AMMotorsport.com — Red Bull requests FIA review of ADUO results after emerging as benchmark
What they're saying
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The surprising ADUO outcome that teams received in Monaco remains one of the main talking points in the Barcelona paddock. Rather than Mercedes, it was Red Bull-Ford Powertrains that was placed at the top of the rankings, meaning the newcomer from Milton Keynes is the only manufacturer not entitled to Formula 1's Additional Development and Upgrade Opportunities. A public confirmation from the ...Keep reading

"

During the Monaco Grand Prix weekend, teams and power unit manufacturers were all informed of the outcome of the first ADUO period - Formula 1’s catch-up mechanism with Additional Upgrade and Development Opportunities. Red Bull Ford Powertrains emerged as the benchmark. According to the results, Mercedes’ internal combustion engine trails by between two and four percent, meaning the German ...Keep reading

"

The surprising ADUO outcome that teams received in Monaco remains one of the main talking points in the Barcelona paddock. Rather than Mercedes, it was Red Bull-Ford Powertrains that was placed at the top of the rankings, meaning the newcomer is the only manufacturer not entitled to Formula 1's Additional Development and Upgrade Opportunities. A public confirmation from the FIA is still ...Keep reading

Related Teams & Leagues
Red Bull RacingMercedesF1Motorsports

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