F1 Engine Suppliers 2026: Every Manufacturer and Their Teams

Five power unit manufacturers supply engines to the ten teams competing in the 2026 Formula 1 World Championship. The lineup represents the largest field of manufacturers since the early years of the hybrid era and includes two new entrants, Audi and the Red Bull Powertrains and Ford partnership, competing alongside three manufacturers with decades of combined Formula 1 experience. Each manufacturer has taken a different approach to the 2026 power unit architecture, and their team partnerships reflect a mix of works programs, customer relationships, and commercial arrangements that have been reshaping the competitive landscape since the 2026 regulations were confirmed. Here is how each manufacturer is structured and which teams they supply.

Mercedes

Mercedes has supplied power units to Formula 1 teams since the current hybrid era began in 2014, winning eight consecutive constructors’ championships from 2014 to 2021 before Red Bull’s challenge broke that sequence. Their 2026 power unit is the continuation of a program that has spent over a decade at the forefront of hybrid power unit development, now reconfigured around the removal of the MGU-H and the tripling of the MGU-K’s power output. Mercedes supplies four teams in 2026, making them the largest supplier in the field by team count.

Mercedes Works Team

The Mercedes AMG Petronas F1 Team, the constructor known as Mercedes in championship standings, runs the manufacturer’s own works power unit program. The works team gets first access to the latest specification power unit and benefits from the closest integration between chassis development and power unit development, since both are conducted within the same organization. Mercedes’ chassis team and power unit team have worked together for over a decade, and the packaging relationship between the car’s sidepod geometry, cooling systems, and power unit installation is optimized through an unusually tight collaboration that customer teams cannot replicate. The works team’s performance trajectory through 2026 will be the primary measure of Mercedes’ competitive position as a power unit developer.

Williams Racing

Williams has been a Mercedes power unit customer since 2014. The partnership gives Williams access to a competitive power unit while the team focuses its technical resources on chassis development and the operational aspects of race preparation. Williams’ relationship with Mercedes is one of the longer-standing customer arrangements in the paddock, and the 2026 regulations do not change its fundamental structure. Williams develops and builds its own car around the Mercedes power unit, and the team’s competitive performance depends on both the quality of the power unit it receives and the quality of the chassis its own engineers produce around it.

Alpine F1 Team

Alpine’s power unit situation for 2026 is the most significantly changed of any team on the grid compared with the previous era. The team, which races as Alpine under the Renault Group umbrella, previously ran Renault-branded power units developed and produced by Renault’s in-house engine program. For 2026, Renault chose not to develop a new power unit to the 2026 specification and exited as a manufacturer, making Alpine a Mercedes customer for the first time. This transition means Alpine now receives the same power unit specification as Mercedes, Williams, and McLaren, giving the team competitive power unit access while its technical program focuses on the chassis development required to compete at the front of the field.

McLaren

McLaren switched to Mercedes power units in 2021 after a period as a Renault customer and has continued with Mercedes for 2026. The partnership has coincided with a significant recovery in McLaren’s competitive performance, with the team returning to the front of the field and winning races during the 2024 and 2025 seasons. McLaren develops its own chassis independently of Mercedes, and the team has invested heavily in its Woking design and manufacturing infrastructure. As a customer team running a competitive power unit, McLaren’s 2026 performance will depend on how effectively their chassis and aerodynamic development translates the Mercedes power unit’s potential into race-pace competitiveness against the works operations they face.

Ferrari

Ferrari has supplied its own works team and selected customers with power units throughout the hybrid era. Their 2026 program begins with the most significant power unit architecture change the Scuderia has had to manage since the introduction of the hybrid regulations in 2014, with the MGU-H deletion requiring a fundamental redesign of the power unit’s electrical architecture rather than an evolution of the existing system. Ferrari’s reputation for engine performance has historically been a key part of their competitive identity, and the 2026 power unit represents both an opportunity and a challenge in that context.

Scuderia Ferrari

The Scuderia Ferrari works team runs the Ferrari power unit in the closest possible integration with the chassis program. Ferrari’s power unit and chassis engineering teams are both based at Maranello, and the co-design of the car’s rear end, where the power unit’s dimensions and mounting points determine the gearbox casing geometry, suspension layout, and diffuser design, reflects decades of accumulated experience working with their own hardware. The works team’s access to the latest power unit specification and the direct feedback loop between chassis performance and power unit development keeps Ferrari’s competitive position closely tied to how effectively their power unit program performs in 2026.

Haas F1 Team

Haas has been a Ferrari power unit customer since joining Formula 1 in 2016. The American team operates with a business model that relies on a close technical relationship with Ferrari, receiving not only the power unit but also other components that the regulations permit to be sourced from a supplier. For 2026, Haas continues as a Ferrari customer under the new power unit regulations, giving the team access to Ferrari’s 2026 specification power unit and the performance level that entails. Haas’s competitive standing in 2026 will depend on how the team develops its chassis around the Ferrari power unit and how that chassis competes against the other teams using the same engine specification.

Cadillac Formula 1 Team

The Cadillac Formula 1 Team is the newest entrant to the championship, joining for 2026 as the eleventh team. The American constructor, backed by General Motors through its Cadillac brand, is running Ferrari power units in its first season while the team establishes its operations and develops toward its longer-term goal of building its own power unit. As a brand-new team with no F1 infrastructure history, Cadillac’s 2026 program is primarily focused on completing a full season reliably, learning the operational requirements of F1 race weekend preparation, and developing the car’s performance baseline. Ferrari power unit supply gives them competitive hardware to work with from their first race as they build the organizational capability that sustained front-running performance requires.

Red Bull Powertrains and Ford

Red Bull Powertrains was established by Red Bull Racing in 2021 specifically to develop the manufacturer’s own power unit for the 2026 regulations. The formation of Red Bull Powertrains followed Honda’s announcement that it would end its works partnership with Red Bull at the conclusion of the 2021 season, which prompted Red Bull to invest in building their own power unit capability from scratch rather than becoming a customer of another manufacturer. Ford joined the program in early 2023 as a technical and commercial partner, bringing engineering resources, branding association, and the commercial credibility of a major automotive manufacturer to what had begun as an ambitious but untested new organization.

Oracle Red Bull Racing

The senior Red Bull team, Oracle Red Bull Racing, is the works operation for the Red Bull Powertrains power unit. Building a competitive power unit while simultaneously running a championship-contending race team is one of the most demanding parallel engineering projects in the sport, and Red Bull has recruited extensively from established power unit programs to assemble the engineering expertise required. The 2026 season will be the first competitive test of whether that recruitment and development investment has produced a power unit capable of challenging the established manufacturers. Red Bull’s chassis program has been consistently among the strongest in the field during the previous regulations, and the combination of that chassis capability with their own power unit creates a situation where the power unit’s competitive level is the primary unknown variable in their 2026 championship prospects.

Visa Cash App RB

The junior Red Bull team, which has operated under several names during its history and races in 2026 as Visa Cash App RB, uses the same Red Bull Powertrains power unit as the senior team. This arrangement gives the junior team access to works-level hardware and means that the Red Bull Powertrains development program effectively runs across two cars on the grid rather than one, providing more data and more development mileage per race weekend than a single-car works program would generate. The junior team’s results also give the power unit manufacturer a secondary reference point for understanding how the power unit performs in a slightly different chassis environment, which can inform development priorities and reveal characteristics that might not be visible from the senior team’s data alone.

Honda

Honda’s presence in 2026 is the result of a relationship extension with Aston Martin that was announced in 2023, after the Japanese manufacturer initially indicated it would wind down its Formula 1 involvement following the end of its partnership with Red Bull. Honda’s decision to continue through the 2026 regulations was driven partly by the opportunity to develop the new power unit architecture from a clean sheet and partly by Aston Martin’s trajectory as a team with significant investment and improving competitive performance. Honda operates through a works partnership model with Aston Martin rather than as a component supplier, with Honda Racing Corporation engineers deeply integrated into the power unit’s development and race operation.

Aston Martin Aramco F1 Team

Aston Martin is the sole recipient of Honda power in 2026, making the partnership exclusive in both directions. This exclusivity means both that Aston Martin benefits from Honda’s full engineering attention rather than sharing development capacity with multiple customer teams, and that Honda’s competitive performance is entirely dependent on one chassis program. The Aston Martin factory in Silverstone has been significantly expanded with new wind tunnel, simulator, and manufacturing facilities that represent a substantial increase in the team’s technical capability relative to their earlier seasons in the championship. The Honda power unit partnership and the factory investment represent a coordinated push for consistent front-running performance rather than periodic competitive surges.

Audi

Audi’s entry into Formula 1 as a power unit manufacturer for 2026 was confirmed in 2022 and represents the German manufacturer’s first direct involvement in the sport at the top level. The decision was made explicitly in the context of the 2026 regulations, which Audi’s technical leadership identified as offering a more accessible entry point than the previous regulations due to the removal of the MGU-H. Audi acquired a majority stake in the Sauber Group, which operates the team previously known as Alfa Romeo, and has been transitioning the team toward full Audi branding and technical integration through a multi-year process that culminates with the works Audi power unit entering competition in 2026.

Audi Formula 1 Team

The team formerly known as Alfa Romeo and then Stake F1 Team races in 2026 as the Audi Formula 1 Team, completing the transition to full Audi identity that began with the acquisition. As a new manufacturer running their first purpose-built Formula 1 power unit, Audi’s competitive performance in 2026 is expected to track the learning curve that typically accompanies a new entrant’s first seasons. The organization has invested in experienced personnel from existing power unit programs and has developed the 2026 power unit through an intensive program at their Neuburg an der Donau facility. The 2026 season serves as the baseline from which Audi will develop their power unit over the following seasons of the regulatory period, with the expectation that competitive performance improves as the organization accumulates race experience and development data from competitive running.

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