Q: wat exactly is horse power for a car, wat does it mean?
A: It's an imaginary number calculated from a real unit, which is torque. Essentially, it provides absolutely no information to you in the slightest, except for bragging rights and a way for car manufacturers to sell their vehicles. Basically, a worthless unit that doesn't actually exist, and isn't even clearly defined. http://en.wikipedia.org/wiki/Horsepower It was useful when it came to horses, but has no practical application to cars.