The speedometer of a 2013 Ford Fusion is displayed at the Bob Maxey dealership in Detroit. Although current cars with high-horsepower engines can come close to their top speedometer speeds, most are limited by engine control computers.
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The speedometer on the Toyota Yaris says the tiny car can go 140 miles per hour.
In reality, the bulbous subcompact's 106-horsepower engine and automatic transmission can't push it any faster than 109.
So why do the Yaris - and most other cars sold in the U.S. - have speedometers that show top speeds they can't possibly reach? ...