Cadillac’s racing engines will be built at a dedicated facility near GM’s Charlotte Technical Center. These will be the only F1 power units made in the United States. The existing engine suppliers, namely Ferrari, Mercedes, HondaRBPT, and Renault, build their engines in Italy, the UK, Japan, and France respectively.

TWG Motorsports, the driving force behind the Andretti-born F1 team set to race under the Cadillac banner in 2026, has joined forces with General Motors to develop the US outfit's future in-house power unit.

General Motors has set up an engine company to turn its planned Cadillac Formula One entry into a full works team by the end of the decade, the carmaker said on Thursday.

Cadillac's prospective Formula 1 team has announced its plan to build its own engines out of an American base by the end of the decade.

General Motors along with TWG Motorsports is forming a new company named GM Performance Power Units LLC. The primary focus of this new entity is the development

General Motors announced Thursday morning the creation of a new business: GM Performance Power Units LLC. The new entity is tasked with helping the new Cadillac Formula 1 outfit become a “full works” team by the turn of the decade.