Argentina (1950–1958) against United Kingdom (1951–1961)
Juan Manuel Fangio checks every box: more titles (5 against 0) and superior dominance once scaled to their era (42% of the maximum possible points per season, against 22% for Stirling Moss). The rest just confirms the gap: Juan Manuel Fangio also leads Stirling Moss in win rate (41.4% against 22.2%), podium rate (60.3% against 33.3%), pole rate (50.0% against 22.2%), and reliability (24.1% against 44.4% in DNFs). Same team, same equipment: 1954, 1955, 1957. Race by race, Juan Manuel Fangio came out on top 7 times against 2.