Why do car speedometers get marked higher than their top speeds?

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To start, I know that cars can go faster than typical speed limits because if you went on a freeway at 100km/h with a car that had the same top speed, you would essentially be pushing it to the limit constantly, which is not really good for the car.

My question is why do cars have their speedometers marked way higher than they can actually go? For example, my dad’s 2017 Toyota Yaris marks up to 220km/h but it could probably go no more than 150km/h tops, so could they not just mark the speedometer up to 150km/h because it’s not really going to go above that?

EDIT: FYI I live in Australia

In: Engineering

10 Answers

Anonymous 0 Comments

My 96 Honda civic hatchback had a speedometer that went to 240 or something ridiculous.
It wouldn’t go that fast if you dropped it out of an airplane.

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