The Cadillac MAC-26 is a Formula One car designed and constructed by the Cadillac Formula 1 Team to compete in the 2026 Formula One World Championship. It is driven by Sergio Pérez and Valtteri Bottas, marking Cadillac's debut season in Formula One. The car made its competitive debut at the 2026 Australian Grand Prix on March 8, 2026.
Cadillac is the latest entry into the Formula One grid, having been approved in 2025. Two unsuccessful entries were performed with Cadillac-engined Kurtis Krafts for the Indianapolis 500 while it was a part of the Formula One World Championship. A previous attempt to enter the sport through General Motors (GM) and Andretti Global, which was led by Michael Andretti â son of World Champion Mario â in 2023 was vetoed by the Formula One Group, despite their bid being accepted by the Fédération Internationale de l'Automobile (FIA), on the pretext that Formula One Group would reconsider should GM agree to manufacture Formula One engines. A second deal was submitted in 2024, now led by TWG Global and renamed Cadillac, and was approved by Formula One Group.
Significant changes to Formula One's technical regulations were introduced for 2026, affecting both the chassis and engine. The team uses Ferrari's Tipo turbo hybrid engines, as General Motors began development of their own engines with plans for entry in the 2029 season.
The car made its first on-track appearance during a private shakedown at Silverstone Circuit in January 2026, before participating in an extended private shakedown at the Circuit de Barcelona-Catalunya from January 26âÂÂ30, 2026 with 9 of the 10 other teams.
Prior to its reveal, the MAC-26 was shipped to Times Square, New York, where a timer and drape stood until the car was officially unveiled. On February 8, 2026, a short Cadillac commercial aired during a break, unveiling the livery. The team explained that their decision to release the commercial during the Super Bowl and ship the car to Times Square was to maximize its visibility to the public. The commercial was directed by Sam Piling and scored by Max Richter. Shortly after the commercial aired, the car was also revealed at Times Square. A longer video, integrating President John F. Kennedy's 1962 speech about putting a man on the Moon, was released after the Super Bowl commercial had aired.
During the Barcelona shakedown, the MAC-26 wore an all-black livery with an angled Cadillac logo on both sides. The MAC-26's race livery is asymmetrical, featuring black on one side, and white on the other. This was the first asymmetrical Formula One livery since the BAR 01 of 1999, which featured white and red on one side, and blue and yellow on the other.
On February 27, 2026, Cadillac announced the chassis name to be MAC-26, with "MAC" referring to "Mario Andretti Cadillac", honoring 1978 World Champion Mario Andretti, father of Michael Andretti, who previously attempted to enter the grid as Andretti Global, before changing its entry bid to Cadillac.
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