User blog comment:Chormira the Autobot/Who's the Fastest?/@comment-24463386-20110828170423/@comment-878100-20110828222951

Yes, but he's still not nearly as fast as Sonic. That would be Shadow. And Jake, you're wrong. Sonic goes faster than the speed of sound, but yes, it is doubtful Metal Sonic can go past the speed of sound. As for Blurr, I have no clue. I don't know much about him.