Nyorai kupfuurira kweiyi ndima - Dreyfus akapfuurira kumhanya nguva nenguva, kubatanidza 1952 Maawa 24 eLe Mans. Mujaho wake wokupedzisira waiva 12 Hours of Sebring muna 1955, apo Stanley "Wacky" Arnolt akakumbira Dreyfus kuti ave kaputeni weArnolt-Bristol Racing Team. Dreyfus akatungamirira chikwata kuSebring Team Trophy uye 1<unk>2<unk>3 mukirasi. Muna 1980 akakokwazve kuMonaco Grand Prix kupemberera makore 50 okukunda kwake. Pazera remakore 75, iye pachake akatyaira muEurope yose achishanyira nzvimbo dzose dzomumhanyi wake, achigamuchira kupemberera kwevanhu uye kukudzwa pakumira kwose. Pakudya kwakatevera nhangemutange yacho, akaunzwa pachikuva kuti agarezve muBugatti yaakanga akunda, hafu yezana remakore yakanga yapfuura. Akanga ariwo Grand Marshal weUnited States Grand Prix ya 1980
kuWatkins Glen.