The Honda-powered Aston Martin F1 team has had a difficult start to its 2026 Formula One season. The Japanese carmaker has returned as a full-fledged works engine supplier following the new formula rules, yet its engine has been clearly underperforming in the initial races. Aston Martin’s performance has been hampered by issues with its pace, reliability, and extreme engine vibrations. However, Honda may get an unexpected reprieve thanks to the new rules. If Honda’s engine falls more than 10 percent below the benchmark, the FIA’s Additional Development and Upgrade Opportunities (ADUO) program will enable the firm to develop an additional $19 million worth of engines.
If Honda’s engine is determined to lag by more than 10 percent, it will be eligible for an extra $11 million boost to its engine cost-cap allocation for the existing ADUO window. Given that 2026 is the first season under the new rules, Honda might have additional access to an extra $8 million by pre-spending resources in future years. As a result, the company can spend up to $19 million to improve its engine.
FIA ADUO Process Is Not a Balance of Performance
The FIA has made it clear that ADUO is not a shortcut to instant competitiveness. Unlike Balance of Performance systems used in endurance racing, the rule does not alter engine output, fuel flow or deployment settings. Honda would not receive any on-track performance advantage. Instead, it would be allowed to spend more money and carry out more development work within the existing technical framework.
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The support is based on a sliding scale. A manufacturer that is 2% to 4% behind can receive up to $3 million in extra spending. That rises to $4.65 million for a 4% to 6% deficit, $6.35 million for 6% to 8%, and $8 million for an 8% to 10% gap. If the shortfall exceeds 10%, the allowance increases to $11 million, with the option to add another $8 million in front-loaded relief. The first assessment covers Australia, China, Japan, Miami and Canada, with results due within two weeks of the Montreal race.
Audi F1 Set to Be Given ADUO Boost as Well
The team is also set to take advantage of the same procedure as Honda. It is the first year for the German manufacturer competing in a complete works entry, having had its fair share of difficulties due to the new regulations in 2026. Initial feedback indicated issues with drivability, slow gets going, and turbo efficiency, among other matters, affecting their performance.
If it turns out that FIA records reveal the Audi team is falling short of the required performance benchmark, the team will be given similar concessions like those provided to Honda. In addition to being given 230 more dyno hours if their performance is more than 10% behind others’, more flexibility within the budget cap would be provided. Nonetheless, this process presents a chance, which means both teams should use their chances well to match the competition.
