Early-generation T-180 C

The Early-generation T-180 C is a background vehicle featured in the Thunderhead flashback from the Speed Racer film.

Background
It can be seen in various shots of the Thunderhead flashback being in fourth place for most of the race. This vehicle has no sponsor on its chassis and its number is most likely 5.

Trivia

 * It resembles the Atomic Injectables street cars and their T-180 counterpart from the Videogame, the Nuke Shot.
 * According to the placements list and the car's position during the Thunderhead race, it's possible that its driver is Ernesto Verde and its sponsor is "Gaeta Racers". Although there's also the possibility of the list not being accurate.