American Muscle Cars are a category of cars characterized by their powerful performance, particularly high horsepower and rapid acceleration. Typically, these cars are equipped with large engines (usually V8) and are designed to deliver impressive speed and acceleration.

The concept of the "muscle car" developed in the 1960s in the U.S., when car manufacturers offered models with large engines and attractive designs aimed at young drivers and enthusiasts of fast cars. The most famous models considered "muscle cars" include the Ford Mustang, Chevrolet Camaro, Dodge Charger, and Pontiac GTO.

The characteristics of muscle cars include:

• Large engines (typically V8).
• A dynamic appearance with an aggressive and striking design.
• High horsepower and exceptional acceleration.
• Simplicity in their design, focusing on performance rather than finesse or technology.

Muscle cars have been, and continue to be, an important part of American automotive culture, remaining popular today among collectors and enthusiasts of fast cars.