Stewart also competed in a Ford Capri RS2600 in the European Touring Car Championship, with F1 teammate François Cevert and other F1 pilots, at a time where the competition between Ford and BMW was at a height.
Stewart tamén competiu nun Ford Capri RS2600 no European Touring Car Championship, co seu compañeiro de equipo na F1 François Cevert e outros pilotos da F1, nun momento en que a competición entre Ford e BMW estaba a grande altura.