Optimus' semi-truck form is also based on a real truck, but only eagle-eyed fans have been able to determine exactly which one. The original "Transformers" Optimus Prime toy was released in 1984 ...

But it is his role in “Transformers” as the wise Swiss Army Knife semi-truck-turned-robot Optimus Prime that has earned Cullen the most attention. As it turns out, the inspiration for that ...

For the "Transformers" fans out there, that absolutely overshadows the kind of semi-truck that Optimus Prime is. To power it, the Tractomas has a Caterpillar 27-liter diesel engine under the hood ...

Inspired by the iconic Transformers: The Movie, there's more than meets the eye with Hasbro's newest action figure take on Optimus Prime ... transformed into his semi-truck vehicle mode in ...

Optimus Prime's red, white and blue color scheme matched the truck stop's and Optimus Prime is a truck, making it a serendipitous fit. He saw a statue online, purchased it — "it wasn't cheap ...

Besides his voice and cool faceplate, Optimus Prime's most distinctive ... into a Chevy Camaro. Optimus' semi-truck form is ...