A muscle car is a term used to describe high-performance automobiles with powerful engines, typically rear-wheel drive and sporty styling. These vehicles were popular in North America during the 1960s and 1970s and are often associated with American manufacturers such as Ford, Chevrolet, and Dodge. Muscle cars are designed for speed and power, with V8 engines capable of producing over 300 horsepower. They are often sought after by collectors and enthusiasts due to their iconic status in automotive history.