The phrase "horsepower car" refers to a vehicle that has a lot of power and can go very fast. It is often used to describe high-performance or sports cars.
Sentences with «horsepower car»
It is much easier to go faster with a bigger, heavier, higher horsepower car. (evo.co.uk)
And big horsepower cars are faster in a straight line. (evo.co.uk)
Never would have considered buying a 300 + horsepower car until I saw it up close and in person. (carsdesk.com)