Dee ihe ga-aga n'ihu na paragraf a - Dreyfus gara n'ihu na-agba ọsọ mgbe ụfọdụ, gụnyere 1952 24 Hours of Le Mans. Ọsọ ikpeazụ ya bụ 12 Hours nke Sebring na 1955, mgbe Stanley "Wacky" Arnolt gwara Dreyfus ka ọ bụrụ onye isi ndị otu egwuregwu Arnolt-Bristol. Dreyfus duziri ndị otu ahụ na Sebring Team Trophy na 1<unk>2<unk>3 na klaasị. N'afọ 1980, a kpọrọ ya ka ọ lọghachi Monaco Grand Prix iji mee emume ncheta afọ iri ise o meriri. Mgbe ọ dị afọ 75, ọ na-akwọ ụgbọala n'onwe ya na Europe na-agagharị na saịtị niile nke ịgba ọsọ ya, na-enweta ememe ọha na eze na nsọpụrụ na nkwụsị ọ bụla. N'oriri e mere mgbe ọ gbasịrị ọsọ ahụ, a kpọgooro ya n'elu ikpo okwu ka ọ nọdụghachi n'ụgbọala Bugatti ahụ o ji merie, ihe dị ka ọkara narị afọ tupu mgbe ahụ. Ọ bụkwa onye isi ndị otu United States Grand Prix nke afọ 1980
na Watkins Glen.