Aston Martin began the new 2026 F1 regulations era under a storm of reliability issues. Late to pre-season testing, overweight, and completing fewer testing laps than a cat in a litter tray, the team has struggled from the outset. A few days ago, engine partner Honda released an update citing extreme vibrations as the cause of the reliability problems.

Honda Points to Battery Instability

According to Honda, the extreme vibrations affected the stability of the battery, which caused the AMR26’s lack of reliability during testing. Honda confirmed that it could not yet diagnose the exact cause of the vibrations but suggested that a key point of interest lies in the packaging, suspension, and possibly the gearbox.

In other words, Honda engineers are indicating that the overall package — not just the engine — is not fully homologated as a complete unit yet.

Is the Problem on the Aston Martin Side?

My read on this is that the problem lies with Aston Martin. The lead designer behind the AMR26 is Adrian Newey.

Newey is known for tightly wrapping the bodywork around the engine and auxiliary components, which has caused reliability issues throughout his storied F1 career. Heat buildup is one such factor.

The Battery Layout Change

However, when Honda presented the finalised engine package, Newey specifically requested a change to the battery layout. Honda obliged, and the source of the AMR26’s reliability concerns is now focused around that battery configuration.

Honda released a lengthy statement that did not blame Newey but also did not entirely absolve the upgraded battery layout as a contributing factor in the lack of reliability. Honda has yet to find the exact cause but cited power-unit/chassis integration as a potential issue.

Gearbox a Possible Culprit?

In other words, Honda is suggesting that either the gearbox, suspension, or aero package could be causing the severe battery vibrations. It is known that Aston Martin is building the gearbox in-house, and I suspect this could be a gearbox-related issue — though I could be wrong.

What This Means for 2026

What this means is that Aston Martin will likely pour resources into fixing reliability rather than pursuing performance upgrades, which makes it very unlikely the team can catch up to the rest of the field this year.

The AMR26 is effectively a prototype, and 2026 may turn into a season-long test campaign. That would likely leave Aston Martin near the back of the field for the first half of the season. If they are lucky, they could break into the midfield in the second half.

Newey’s Reputation on the Line

Newey is a genius F1 design engineer and his pedigree is unmatched, but even the best can get it wrong from time to time. It will take Newey’s brilliance to extract Aston Martin from the hole he dug for the team.