Metge started his career in international motor racing in the Formula Renault 2.0 West European Cup in 1973. He got 28 points in the general classification there. In later years, Metge also appeared in the French Supertouring Championship, FIA World Endurance Championship, World Sportscar Championship, World Touring Car Championship, Porsche 944 Turbo Cup France, 24 Hours of Le Mans and European Touring Car Championship.