Cade Yeager, a "robotics expert", buys an old truck and upon examining it, he thinks it's a Transformer. When he powers it up, he discovers it's Optimus Prime. Later, men from the unit show up ...

One of which comes from Transformers: Age of Extinction (2014) as Optimus Prime is back capturing his ... into his live-action Western Star 4900EX truck mode in 44 steps. For accessories, he ...

While G1 Optimus Prime might have the most iconic design in the Transformers franchise, other iterations of the Autobot leader looked even better.