Director Michael Bay continues to introduce the new vehicles of Transformers 4 one car at a time, though some of their identities are being kept a secret for a later date. Today, we see that an Ultimate Sonic RS Rally Car has made its way on set, with shooting to continue throughout the summer. This fast fun ride is the latest addition to the Autobot family. Any fans want to take a guess as to the warrior robot's true identity?

Sonic RS Rally Car

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Transformers 4 Photo Ultimate Sonic Rally Car
"The Ultimate Sonic RS, just pure fun."