De Boisse

It had a 6 hp De Dion-Bouton inboard engine with a shaft drive.

[1][5][6] Jacques De Boisse was classified 87th out of 99 finishers, completing in 12 hours, 0 minutes, 55 seconds.

Monsieur Dupeux was classified 98th, completing in 16 hours, 18 minutes, 10 seconds.

[8] In 1904 the final model featured a two-cylinder, 12 hp, De Dion-Bouton engine.

[1][2][5] A source describes a light car with a 12 hp twin-cylinder engine and a patented 'double rear axle'.