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How fast is Sonic? SEGA’s official character profile describes his running speed as supersonic—faster than the speed of sound—but does not give a precise mph or km/h maximum. That makes “supersonic” the clearest canonical answer, not a specific number.
What does SEGA say about Sonic’s speed?
SEGA’s current Sonic Channel profile calls Sonic the fastest hedgehog and lists his running speed as “超音速,” meaning “supersonic.” SEGA’s English Sonic Origins manual similarly describes him as “The world’s fastest supersonic hedgehog.”
Neither source states a numerical top speed in miles per hour, kilometers per hour, or Mach. “Supersonic” identifies a speed category, not an exact maximum; the profile does not say how far above the speed of sound Sonic can run.
Why do different Sonic speed figures appear online?
Official profile versus fan calculation
A number calculated by fans should not be presented as SEGA’s official figure unless an official source actually gives that number. The profile’s stated speed is qualitative: supersonic.
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Character description versus game feat
Sonic’s animations, level timings, and abilities can vary by game. SEGA’s Sonic × Shadow Generations manual, for example, distinguishes Classic and Modern Sonic playstyles and describes gameplay actions involving building speed. Those mechanics portray particular games; they do not establish one measured top speed shared across the series.
Current profile versus older profile
SEGA’s older Sonic Channel profile also labels his speed supersonic and lists him as age 15. The current profile reviewed does not list an age, so the older age detail should not be treated as a current continuity statement.
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What is the most accurate short answer?
Sonic is officially described by SEGA as supersonic, but SEGA’s cited character profiles and game manuals do not specify an exact mph, km/h, or Mach ceiling. Any precise number needs to be identified as a calculation or a game-specific interpretation rather than SEGA’s stated canonical speed.
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