Aston Martin and Honda: A Marriage of Convenience Heading for Divorce?
Lawrence Stroll wanted Aston Martin to stop being a customer team and start behaving like a championship contender. Honda, fresh from its title-winning years with Red Bull, looked like the ideal partner. A dedicated power unit, closer technical integration, and the backing of a major manufacturer were supposed to turn Aston Martin’s expensive ambitions into results.
Instead, 2026 has brought severe vibrations, reliability problems, disappointing performance, and increasingly public frustration. Reports suggest that Stroll may be considering alternative power-unit suppliers if Honda cannot deliver the necessary progress by 2027.
The irony is that leaving Honda could mean returning to the customer-team arrangement Stroll spent years trying to escape. Staying, meanwhile, only makes sense if the partnership can deliver a competitive car. Aston Martin must decide whether its works-team status remains an advantage or has become a constraint.
A works team in name – but not yet in performance
A works partnership promised closer collaboration between the engineers developing the chassis and those responsible for the power unit. Honda, meanwhile, was returning to Formula One as an exclusive partner, with the 2026 regulations offering an opportunity to develop its hybrid technology.
The timing proved demanding. The new rules significantly increased the role of electrical power, creating a steep learning curve for every manufacturer. Aston Martin’s difficulties were compounded by reliability problems and a lack of running. Severe vibrations affected the car and damaged batteries, while lost track time left the team with less data to understand and improve the package.
The early results were grim. In the opening three Grands Prix, Alonso’s 18th place in Japan was Aston Martin’s only classified finish. Both cars completed the Miami race, but finished 15th and 17th. Later points offered occasional relief rather than evidence of a sustained recovery. In Singapore, both cars started from the pit lane, and Lance Stroll retired with an overheating clutch.
Lance has estimated that Aston Martin was losing between one and two seconds per lap because of its power-unit deficit, depending on the circuit. On tracks with long straights, such as Monza and Baku, this shortfall is particularly difficult to hide.
Honda has responded with upgrades, including a revised internal-combustion engine specification and turbocharger developments intended to improve driveability and energy management. Progress is yet to transform Aston Martin’s fortunes, and the power unit is only part of the problem.
The Newey factor: not everything can be blamed on Honda
Adrian Newey’s arrival was meant to signal that Aston Martin had the talent to challenge at the front. Yet the AMR26 has struggled with fundamental issues of its own. Development began later than that of rivals, the car was overweight, and its aerodynamic concept had not been explored as thoroughly as necessary. Newey has also highlighted outdated tools, inadequate processes, and organisational problems within the Silverstone operation.
Updates have offered some grounds for optimism. Following revisions in Hungary and the Netherlands, Alonso described improvements in the car’s behaviour and tyre management, finishing ninth at Zandvoort. The chassis programme appeared to be making more convincing progress than the power-unit programme, even though Aston Martin remained far from the front.
GPS analysis by The Race suggests the AMR26 may be far more competitive than its results indicate. At Sepang and Marina Bay, Aston Martin was faster than Max Verstappen’s pole-winning Red Bull through the corners by 0.148 and 0.370 seconds respectively, only to lose crucial time on the straights. Honda’s power-unit may be holding back a promising chassis, but swapping engines is no simple fix: as Mark Hughes notes, Honda’s architecture was tailored to Adrian Newey’s design, and a different power unit could compromise the car’s cornering advantage.
Neither component can fully compensate for the other’s shortcomings: a better engine cannot turn an inefficient chassis into a championship contender, just as aerodynamic gains cannot erase a power deficit. Aston Martin must improve both. Honda blames the chassis while Aston Martin blames the power unit, but a works partnership should bring the two sides together, not give them more opportunities to point fingers.
The Honda Stroll thought he was buying
Lawrence Stroll’s decision to partner with Honda was based on a powerful precedent. Honda had helped Red Bull win four drivers’ and two constructors’ championships, making the combination synonymous with front-running performance. However, the Honda returning in 2026 was not simply the same organisation that had powered Red Bull’s success.
Honda announced its withdrawal from Formula One after 2021, although its power units continued to be supplied to Red Bull until the end of 2025. During that period, personnel and expertise followed different paths. Red Bull retained some highly qualified staff as it built its own powertrain programme with Ford, while Honda had to rebuild parts of its workforce for the Aston Martin partnership.
Stroll was investing in Honda’s reputation and technical heritage, but past success cannot guarantee the same performance under new regulations, with a reassembled engineering team and a new technical partner. Meanwhile, Red Bull-Ford has demonstrated that a new power-unit programme can become competitive under the 2026 rules. The FIA’s ADUO assessment identified its internal-combustion engine as the benchmark. That achievement cannot be attributed simply to former Honda employees: Red Bull recruited extensively and worked with Ford. Nevertheless, the contrast is uncomfortable. The organisation that inherited part of Honda’s operational legacy is now competing against Honda itself.
When the frustration goes public
Technical problems are one thing; public disagreements are another. During the Singapore Grand Prix weekend, Fernando Alonso said that his turbocharger had failed before it was replaced. Honda chief engineer Shintaro Orihara disputed the suggestion that the component itself was broken, explaining that it had been replaced following feedback from the driver.
The disagreement exposed a divide between the driver’s experience and the manufacturer’s technical account. Both perspectives matter, but when public explanations diverge, the partnership’s difficulties become harder to contain. Spanish journalist Antonio Lobato, who has a close professional connection with Alonso, has suggested that the situation could eventually become a breaking point for the two-time world champion.
Lance Stroll’s response was even more direct. Asked what Aston Martin needed to change to improve the AMR26, he replied: “You better ask Honda these questions.” The following day, Lawrence Stroll travelled to Honda’s headquarters in Sakura, Japan. The timing fuelled speculation about the team’s dissatisfaction, although the visit alone does not establish that a supplier change has been decided.
Honda has also reshuffled the leadership of its Formula One power-unit development programme, with Yoichiro Fukui taking over as Large Project Leader from Tetsushi Kakuda on 1 October. Honda described the transition as a planned transfer of technical expertise and an effort to establish a robust development framework, not as a response to a possible split.
None of these developments proves that the partnership is about to end. Together, however, they explain why the question is being asked.
The escape route that may not exist
Reports in late August suggested that Stroll was exploring alternatives and had held preliminary discussions with Mercedes. The alleged talks have not been publicly confirmed, but Mercedes remains an obvious name. Aston Martin used its power units before switching to Honda, and Mercedes has emerged as the strongest overall competitive benchmark under the 2026 regulations.
Red Bull-Ford may lead the ADUO assessment for the internal-combustion engine, but a competitive power unit also depends on electrical performance, energy management, and integration with the car. A return to Mercedes might look like the quickest escape route. Yet the Brackley-based team already supplies McLaren, Williams, and Alpine alongside its own works team. Taking on another customer would depend on its capacity, willingness, and commercial terms.
Aston Martin left the Mercedes customer arrangement to gain more control through a works partnership. Returning could provide access to a competitive power unit, but would reintroduce the limitations of relying on another manufacturer’s technical priorities.
McLaren’s experience illustrates the complexity. Their split with Honda in 2017 did not instantly solve every performance problem because the chassis and wider technical package also mattered. More recently, customer teams have raised concerns about access to performance-relevant information from Mercedes. Team principal Toto Wolff said he had addressed those concerns, but the episode illustrates how sharing hardware does not eliminate every tension between a works team and its customers. McLaren’s plans for its own future power-unit programme reflect the appeal of greater technical independence. For Aston Martin, however, developing its own engine would require huge investment, specialist personnel, and years of development.
Red Bull-Ford is not an obvious alternative either: its programme was developed around Red Bull Racing and Racing Bulls, with no confirmed indication that it intends to supply Aston Martin. Audi is focused on establishing its own works operation, while Ferrari offers no guaranteed shortcut to competitiveness. Their internal-combustion engine sits behind the ADUO benchmark, and their willingness and ability to supply another team cannot be taken for granted. Moreover, a new engine could boost straight-line speed, but at the cost of the cornering edge Honda’s architecture helps deliver. Therefore, every option comes with constraints and the risk of exchanging one set of problems for another.
A marriage worth saving?
For Fernando Alonso, the stakes are personal. The two-time world champion has committed to Aston Martin through 2027, but a contract cannot guarantee a car capable of turning his experience into results. Each difficult race raises the same question: how long can a driver afford to wait for a project that has yet to deliver on its promises?
For Lawrence Stroll, the decision is broader. He has invested in facilities, personnel, and technical leadership to build a team capable of fighting at the front. Abandoning Honda after one season could mean sacrificing the very works-team status he sought to secure. Staying without meaningful progress, however, risks turning a strategic partnership into an expensive exercise in patience.
Honda needs to produce a competitive and reliable power unit, while Aston Martin must resolve the shortcomings of its chassis and development process. Neither side can afford to treat the other as the sole source of the problem. Without progress on both fronts, even a change of supplier may offer little more than a fresh start with familiar problems.
A marriage does not necessarily end when partners fall short of expectations; it ends when they can no longer make their outlooks compatible. For Aston Martin and Honda, the question is no longer simply whether the partnership can survive its difficult first season, but whether both sides still believe they can achieve their ambitions together.