GM Performance Power Units approved as F1 power unit supplier

GM Performance Power Units LLC. – founded by TWG Motorsports and General Motors to build powertrains for the Cadillac Formula 1 Team – has been officially approved as an F1 power unit supplier starting in 2029 by the FIA.

With their entry recently being confirmed, the Cadillac Formula 1 Team will join the F1 grid in 2026 and use Ferrari power units until GM’s engines are homologated.

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“With this approval from the FIA, we will continue to accelerate our efforts to bring an American-built F1 power unit to the grid,” said Russ O’Blenes, CEO of GM Performance Power Units LLC.

Cadillac have set up a European facility next to the Silverstone track, the home of the British Grand Prix, and are working on a new headquarters in Fishers, Indiana, within the American motorsport hub.

The FIA’s statement confirming the approval added that development and testing of the team’s F1 prototype engine technology is ongoing, while there are also plans to open a dedicated Performance Power Units LLC. facility at their US base in 2026.

FIA President Mohammed Ben Sulayem added: “Welcoming GM Performance Power Units LLC. as an approved power unit supplier for the Championship starting in 2029 marks another step in the global expansion of Formula 1 and highlights the growing interest from world-class automotive manufacturers like General Motors.

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“Their dedication to innovation, sustainability, and competition is fully aligned with the FIA’s vision for the future of our sport.

“It also strengthens our commitment to making motorsport more accessible and inclusive worldwide – welcoming new manufacturers, advancing technology, and connecting with a broader, more diverse fan base.”