why do speedometers go as high as 140 – 160 mph but some average cars can’t go faster than 100 -120?

Question

why do speedometers go as high as 140 – 160 mph but some average cars can’t go faster than 100 -120?

In: Technology

Answer 1

Its cheaper to build a standard speedometer get that calibrated and have it pass compliance vs creating a new speedometer for every car in your fleet. Just build a speedo that will work with the fastest car you make and then install it in every model.