Group A is a set of motorsport regulations administered by the FIA covering production derived touring cars for competition, usually in touring car racing and rallying. In contrast to the short-lived Group B and Group C, Group A vehicles were limited in terms of power, weight, allowed technology and overall cost. Group A was aimed at ensuring numerous entries in races of privately owned vehicles.

Touring car racing is a motorsport road racing competition that uses race prepared touring cars. It has both similarities to and significant differences from stock car racing, which is popular in the United States.