The Aston Martin-Honda partnership has so far proven far more difficult than anyone expected. The AMR26, developed around Adrian Newey’s design philosophy but arriving late in its development cycle, has turned out to be an extremely ambitious car that lacks the support of a power unit fully prepared for the demands of the current Formula 1 regulations.
So far this season, the Silverstone-based team – preparing for its home race this weekend – has scored points only in Monaco, finding itself battling at the back of the field alongside Cadillac.
Newey’s project started months behind schedule
In recent days, Adrian Newey himself admitted that the AMR26 project began several months later than planned. The first wind tunnel model that accurately represented the final car did not arrive until the spring, leaving the engineers with very little time to address the weaknesses uncovered during testing and the opening races of the season.
The team’s delayed appearance at the Barcelona winter shakedown had already been an early warning sign of the technical difficulties Lawrence Stroll’s team was about to face. Several solutions incorporated into the AMR26 were reportedly approved only at the very last minute.
The delays placed Aston Martin in an extremely difficult position. According to information gathered by AutoRacer, the team is believed to have suffered a significant number of failed chassis crash tests before the AMR26 finally received homologation. That issue is also thought to have negatively affected the car’s overall weight.
As a result, the chassis problems have been compounded by Honda’s power unit deficit, creating an even more challenging situation for the British team. According to FIA power factor analysis, Honda’s engine is currently more than eight percent behind the Red Bull benchmark.
Honda plans to use both development tokens together
During the Austrian Grand Prix weekend, Mike Krack explained that Aston Martin and Honda Racing Corporation were working simultaneously on both the aerodynamic package and the power unit. Asked whether the car’s upcoming “B-specification” would also include the updated Honda internal combustion engine, the British engineer clarified:
“We are working on both fronts, and the aerodynamic updates are independent from the engine upgrades.”
According to AutoRacer, Aston Martin had hoped to introduce the updated Honda internal combustion engine before the summer break, most likely at the Belgian Grand Prix. However, Honda is currently engaged in a race against time and is unwilling to rush the programme before everything is fully validated.
For that reason, the Japanese manufacturer may not be able to make the upgraded power unit available before the Dutch Grand Prix at Zandvoort, following the summer break.
As confirmed by HRC Trackside General Manager and Chief Engineer Shintaro Orihara, Honda has decided to spend both of its available development tokens on a single comprehensive evolution package rather than introducing separate upgrades during the season.
“Our plan is to introduce the new engine around the summer period. I don’t believe there will be a second development step later this season, so our focus is on delivering one significant upgrade around the summer.”
The strategy is designed to maximise the overall performance gain by concentrating every modification into a single package, while still trying to bring the new engine to the track before the summer shutdown if possible.
Honda still has a long road ahead
If the current timetable is maintained, Honda would become the third manufacturer entitled to use the ADUO development system to introduce internal combustion engine upgrades, following Audi and Ferrari. Attention will then turn to Mercedes and how it chooses to use its single remaining development token.
Among all the manufacturers, Honda currently has the largest remaining budget allocation and the greatest amount of dyno testing time available to continue developing its 2027 power unit.
Even so, it is clear that recovering an engine deficit of more than eight percent will require considerably more than the two development tokens allocated to the upgrade package that Aston Martin hopes to introduce, at the latest, for the Dutch Grand Prix at Zandvoort.
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