Honda is preparing a heavily upgraded power unit for Aston Martin for the Dutch Grand Prix at Zandvoort, aiming for a meaningful step forward after a difficult start to the season. Honda trackside general manager Shintaro Orihara described the package as a “reasonably big” step, with internal changes focused on the combustion chamber, lubrication system, reliability and drivability. Honda said the upgrade is planned for the first race after the summer break and is intended to work alongside Aston Martin’s revised chassis if the schedule holds.
Orihara said the update is not a wholesale redesign and will not immediately close the gap to Mercedes or Red Bull Powertrains. He said it should be viewed as the first stage of a longer development program rather than a complete fix. The Dutch Grand Prix’s Sprint format also leaves little time to diagnose and solve issues before Sprint Qualifying on Friday.
The upgrade comes after Honda’s 2026 engine struggled with both reliability and a lack of power, leaving Fernando Alonso and Lance Stroll near the back of the grid in recent races. Aston Martin plans to debut its B-spec AMR26 one race earlier in Hungary, and the team is 10th in the constructors’ standings with its only points so far coming from Alonso’s P10 finish in Monaco.
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