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.

The Ford Sierra is a mid-size car or large family car manufactured and marketed by Ford Europe from 1982–1993, designed by Uwe Bahnsen, Robert Lutz and Patrick le Quément — and noted for its aerodynamic styling producing a drag coefficient of 0.34, a significant improvement over its predecessors.