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02-25-2010, 07:01 PM
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#17 |
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B789
Drives: Toyota Yaris Join Date: Dec 2009
Location: Mississauga, Ontario, Canada
Posts: 11
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Well I have 185/60R15 on my 07 Yaris Sedan and 175/65R14 on my 02 Corolla. Both are stock sizes for both cars respectively and both show about 3 kms MORE than the speed shown by the GPS. Yes, GPS takes a while to calculate the speed but I compared at steady speed without any speed changes 5 minutes before and after the reading.
I noticed same offset when compared with multiple curb side speed detectors on the highways. Now which instrument is more accurate GPS or speedometer ? Last edited by B789; 02-25-2010 at 09:58 PM. |
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