The Koenigsegg Regera has 1,479 horsepower. That much horsepower lets you do 250 mph like it's a pleasure cruise.
The average new car on the road today has 230 horsepower, which means you don't need the heart-stopping horsepower of the Koenigsegg to get around town.
That doesn't stop people from tweaking their engine for the most horsepower possible though. A horsepower calculator will help calculate how much horsepower your car produces.
Keep reading to find out how horsepower got started and how to calculate it.