The film contains no characters identifying as LGBTQ+. The narrative focuses entirely on the central adventure and the interpersonal dynamics of the engine cast.

Nia breaks the franchise's traditional gender homogeneity by serving as a primary protagonist. Her high agency provides meaningful representation within a male-dominated ensemble.

The shift to a global stage introduces Nia, an engine from Africa, to enhance ethnic representation. Traveling through Africa and South America creates a more multicultural framework.

The film maintains a traditional adventure structure centered on friendship and utility. While it avoids critiques of Western institutions, the international setting offers a more pluralistic view.

There are no depictions of physical, sensory, or neurodivergent disabilities. Characters are presented as idealized, highly capable entities without addressing disability in their arcs.