Why Honda secretly introduced its second F1 ADUO upgrade in Madrid Honda's second ADUO upgrade of the F1 season was a new turbocharger, already introduced at the Spanish Grand Prix, HRC reveals Autosport · Oct 1
Honda secretly introduced second F1 ADUO upgrade in Madrid Honda's second ADUO upgrade of the F1 season was a new turbocharger, already introduced at the Spanish Grand Prix, HRC reveals Motorsport · Oct 1
Mercedes open to F1 ADUO rethink amid Fernando Alonso talks with FIA president Mercedes team principal Toto Wolff shares his view on FIA president's Mohammed Ben Sulayem's promise to help Aston Martin, Honda and Alonso Motorsport · Sep 17
How Monza revealed the true picture – Max Verstappen responds to FIA's surprising ADUO verdict According to Verstappen, the race at Monza showed that there is still a significant difference with the deployment of the Mercedes power unit. Behind the scenes, Red Bull remains unhappy with the ADUO ranking Motorsport · Sep 12
Ferrari to bring upgraded engine to Italian GP under ADUO The Italian marque was awarded two upgrade tokens due to the ADUO results Autosport · Sep 2
Why Red Bull has F1's top-ranked engine, and what it reveals about ADUO Based on the first two assessment periods, Red Bull Ford is the only F1 manufacturer not to receive a development opportunity. What explains that surprising ranking, and does the system need an overhaul for the future? Autosport · Aug 27
Explained: Why Red Bull has F1's top-ranked engine – and what it reveals about ADUO Based on the first two assessment periods, Red Bull Ford is the only F1 manufacturer not to receive a development opportunity. What explains that surprising ranking, and does the system need an overhaul for the future? Motorsport · Aug 27
Red Bull officially named F1's best engine as FIA makes ADUO results public The FIA has confirmed that Red Bull will miss out on development tokens after the first two ADUO periods Autosport · Aug 26
FIA admits F1's ADUO system has "weaknesses" – but defends its measurements Nikolas Tombazis acknowledges that F1's ADUO system may need a rethink for the coming years, although he insists that the measurements are accurate Autosport · Aug 12
Toto Wolff admits Mercedes has most powerful F1 engine – and Red Bull agrees – as ADUO returns to spotlight Mercedes acknowledges it has the strongest F1 power unit on the grid, an assessment loudly agreed with by Red Bull, despite ADUO saying otherwise Motorsport · Jul 20
Wolff admits Mercedes has most powerful F1 engine – and Red Bull agrees – as ADUO returns to spotlight Mercedes acknowledges it has the strongest F1 power unit on the grid, an assessment loudly agreed with by Red Bull, despite ADUO saying otherwise Autosport · Jul 20
Audi calls for F1 ADUO rethink amid exploit fears Audi Formula 1 boss Mattia Binotto feels the power unit upgrade system is not fit for purpose Autosport · Jul 10
Audi's Mattia Binotto calls for F1 ADUO rethink amid exploit fears Audi Formula 1 boss feels the power unit upgrade system is not fit for purpose Motorsport · Jul 10
Charles Leclerc plays down Ferrari's ADUO upgrade at Austrian GP Ferrari brought its first upgrade under the ADUO system to Austria this weekend, but Leclerc isn't expecting a huge performance lift Motorsport · Jun 27
Autosport · Jun 25 Why Honda will just use one of its two upgrade opportunities in F1 2026 Honda has been afforded two ADUO engine upgrade tokens for the 2026 Formula 1 season, but has decided to focus on a single summer upgrade for Aston Martin
Autosport · Jun 25 Why Audi and Ferrari can already upgrade their F1 engines despite ADUO delay The FIA has still not formally announced the ADUO results, but what exactly is causing the delay? And why are Audi and Ferrari already allowed to introduce upgrades to their power units? The five main questions about F1’s catch-up mechanism answered
Autosport · Jun 23 Audi surprises rivals as it ran upgraded F1 engine at Barcelona GP after ADUO verdict Audi takes F1 paddock by surprise as it emerges it ran a new engine as early as the Barcelona race
Motorsport · Jun 23 Shock as Audi ran upgraded F1 engine at Barcelona GP after ADUO verdict The team had already run revised power unit parts after receiving extra development scope
Motorsport · Jun 22 What’s behind Honda and Aston Martin’s F1 “team gathering” in Barcelona? HRC president Koji Watanabe says the recent Barcelona Grand Prix provided a good opportunity “to communicate openly and strengthen our trust” between Honda and Aston Martin as it draws hope from its previous F1 partnership
Motorsport · Jun 17 Red Bull explains FIA engine review: “No data sample indicates an advantage over Mercedes” Laurent Mekies clarifies Red Bull is not opposed to the way ADUO is structured, but says there is “no single data sample” indicating it has a better internal combustion engine than Mercedes
Autosport · Jun 17 Why Red Bull has challenged FIA’s ADUO verdict: 'No data sample shows us ahead of Mercedes' Laurent Mekies clarifies Red Bull is not opposed to the way ADUO is structured, but says there is “no single data sample” indicating it has a better internal combustion engine than Mercedes
Autosport · Jun 12 “How it should be” – Mercedes backs FIA’s ADUO verdict after surprise Red Bull result Toto Wolff says ADUO was designed to prevent a repeat of 2014 and believes the system is achieving that. He adds that F1’s catch-up mechanism has “no political background” and is purely based on data
Autosport · Jun 11 What is ADUO? How F1's engine catch-up system works As news emerged of which Formula 1 power unit manufacturers are eligible for extra development, here's how the much discussed ADUO system works
Motorsport · Jun 11 What is ADUO? How F1's engine catch-up system works, and became political As news emerged of which Formula 1 power unit manufacturers are eligible for extra development, here's how the much discussed ADUO system works
Autosport · Jun 11 Red Bull requests FIA review of ADUO results after emerging as F1 engine benchmark The publication of F1's first ADUO results has been delayed after Red Bull requested an additional review. The FIA is conducting further checks to ensure the results are fully accurate before making them public