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The Petrobrás 1 is a T-180 race car driven by Mariana Zanja with the number 3.

Speed Racer Film
In Speed Racer (2008), the car appeared as one of the competitors of the Grand Prix. As a movie partnership between the Wachowskis and Petrobrás, the Brazilian oil company determined that they wanted a car with the company's colors and logo to be featured in the movie.

Appearance
The car appears very similar to the Togokahn T-180 Hangul, with slight differences in the headlight form and the rear end being "blockier" in a way.

Trivia
The car was physically built by Petrobrás with help from Williams as a marketing stunt to promote the film in Brazil. Being built on a Formula Ford chassis with a Cosworth V6 installed on the car. The car was first shown at the 2008 Brazilian Stock Car Championship's season opener at Interlagos, home of the Formula 1 Brazilian GP.