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.

Cadillac F1 is already preparing for a full-works entry by establishing a new power unit company headed by industry veteran Russ O'Blenes.

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.

One of the key reasons Cadillac’s F1 entry bid was accepted was because of their plans to become a works team with their own power unit, rather than just being a customer team. The American team will be powered by Ferrari until the GM power unit is fully developed.

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 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.

F1 announced in November that the Cadillac team had been approved to join the grid starting in 2026. GM named Russ O’Blenes the CEO of the new company. O’Blenes is currently t

The new venture will produce Cadillac’s in-house power unit for F1 beyond its deal with current supplier Ferrari