No, your ears aren't deceiving you. That famous Transformer definitely sounds different in the trailer for "Transformers One," and fan have a lot to say about it.
transformers 7: Rise of the Beasts "Optimus Prime VS Scourge" Trailer (NEW, 2023) Prime, Primal, Cheetor, Rhinox, Scourge, Bumblebee, Mirage, Action Movie ᴴᴰ