Red Bull leads 2026 F1 engine race as Mercedes eligible for upgrades
Autosport • 1 min read • Latest: Jun 10, 2026, 4:17 AM
Last updated Jun 10, 2026
The 2026 Formula 1 power-unit regulations have led to Red Bull reportedly being identified as having the strongest engine following the first ADUO assessment. Mercedes is eligible for upgrades this season, raising questions about their competitive advantage with a class-leading hybrid system. Ferrari, Audi, and Honda are expected to receive two upgrade opportunities after being classified within a 4% deficit. ADUO allows for performance upgrades based on assessments that create opportunities, measured against a benchmark engine performance. The next ADUO assessment windows will take place before the Hungarian and Mexico City Grands Prix.
- •Red Bull seen as having the strongest engine per ADUO assessment
- •Mercedes set to receive one upgrade opportunity in 2026
- •Ferrari, Audi, and Honda classified to receive two upgrades
- •Next ADUO assessment windows ahead of Hungarian and Mexico City Grands Prix
- •ADUO regulations impact engine development and performance opportunities
- 11:50 AMAutosport — Red Bull requests FIA review of ADUO results after emerging as F1 engine benchmark
- 4:17 AMYahoo Sports — Red Bull Reportedly Leads 2026 F1 Engine Race as Mercedes Becomes Eligible for Upgrades
"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 2-4%, meaning the German manufacturer ...Keep reading
"Formula 1's 2026 power-unit regulations are set to spark fresh controversy, with reports suggesting the first ADUO assessment has identified Red Bull as having the…
Sources
External links- AutosportJun 11, 2026, 11:50 AMRed Bull requests FIA review of ADUO results after emerging as F1 engine benchmark
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 2-4%, meaning the German manufacturer ...Keep reading
- Yahoo SportsJun 10, 2026, 4:17 AMRed Bull Reportedly Leads 2026 F1 Engine Race as Mercedes Becomes Eligible for Upgrades
Formula 1's 2026 power-unit regulations are set to spark fresh controversy, with reports suggesting the first ADUO assessment has identified Red Bull as having the…
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