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Other contributors have said "Can you change tire size without changing the speedometer reading?" is the same question as "Does tire size change speedometer reading?". If you believe that these are not asking the same thing and should be answered differently, click here.

Does tire size change speedometer reading?

Answer:
Yes, if you get bigger tires it will say you are going slower than you are, and visa versa, you can go to a mechanic to get it recalibrated
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