Thistle

The Thistle is Rosey Blaze's T-180. She (and likely the male driver who drives the Thistle in the movie) is part of the Three Roses racing team. The car can be seen briefly in the Fuji Helexicon race section of the Speed Racer film.

The Thistle is playable in Speed Racer The Videogame.

Trivia

 * Thistle's body design is the same as two other known cars, the Iodyde and the Scuttler. The biggest difference between them being the paintjob.