[REVISION HISTORY]

Aston Martin upgrades and Honda power-unit challenges

Updated 17 times since CLSTR started tracking revisions of this situation.

What changed

2026-09-05 21:04 UTC → 2026-09-08 11:46 UTC · added ~~removed~~

Following the B-spec overhaul introduced at the Hungarian Grand Prix, Aston Martin continued to extract performance while working through Honda power-unit challenges. The 16-component upgrade, driven by Adrian Newey’s aerodynamic philosophy, featured a narrower nose, reshaped front wing, and revised floor to increase downforce. This package helped the team overtake Cadillac and Williams in the midfield, with Fernando Alonso reaching Q2 and Lance Stroll finishing 13th. Recent developments have clarified the severity of the early-season struggles. Honda admitted that the 2026 power unit suffered significant performance and reliability issues, including vibration, battery, and durability flaws, which only became apparent during January shakedown testing in Barcelona. To combat this, Honda reinforced its engineering staff, appointing Shintaro Orihara as chief engineer. To address straight-line deficits, Honda prepared to debut its first major power-unit upgrade of the 2026 season at the Dutch Grand Prix. The debut of the upgraded engine at Zandvoort yielded mixed results. While Chief Engineer Shintaro Orihara confirmed the specification 2 engines operated without reliability issues, the drivers faced significant drivability challenges. Lance Stroll described the power delivery as a ‘lottery’ due to inconsistent engine braking, while Fernando Alonso reported difficulties with engine behavior under braking and a malfunctioning straight-line mode (SLM) system. Despite these engine concerns, Alonso secured a ninth-place finish at the Dutch Grand Prix, marking the team’s best result this season. Following Zandvoort, Alonso’s future remains a central topic as he navigates contract discussions for 2027. He has indicated openness to various roles, stating, ‘I will be with this team in a role or in another for the long term.’ Reports suggest negotiations may involve significant financial demands and input from Honda. Performance struggles continued at the Italian Grand Prix, where Alonso ~~qualified 21st~~ and Stroll ~~22nd.~~ faced significant power deficits on straights.

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