I just check the odo readings on my normal weekday trip which is 39.8 miles round trip. This is a camparison of probably every vehicle average in my garage, something like 16 different vehicles.
The truck reads low since I put larger tires on it, so I correct it by 1.026 to get the true distance.
Occasionally they put one of those radar machines on the side of the road and I'll check the speedometer against the radar. The truck and Fiesta are spot on, need to check the bikes, since they are supposed to be optomistic.
regards
Mech
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