Rubuta ci gaba ga wannan sakin layi - Andretti bai koma Le Mans ba har sai da ya kammala aikinsa na Formula One. A cikin 1982, ya haɗu tare da ɗansa Michael a cikin Mirage M12 Ford. Sun cancanta a matsayi na tara, amma sun sami motarsu daga grid ɗin farawa minti 80 kafin fara tseren, kamar yadda wani jami'in ya gano mai sanyaya mai wanda aka sanya a bayan gearbox, wanda ya saba wa dokoki. Motar ta wuce binciken farko kwanaki hudu kafin tseren. Duk da zanga-zangar da gunaguni, an cire shigarwar Andretti gaba ɗaya, an maye gurbinsa da Porsche 924 Carrera GTR. Komawarsu a shekara mai zuwa ta fi nasara yayin da suka gama na uku. Tawagar uba da ɗa sun dawo tare da ɗan'uwan Mario John. Sun gama na shida a cikin masana'antar Porsche 962. Bayan da Mario ya yi ritaya daga tseren tsere na cikakken lokaci, ya yanke shawarar dawowa kan hanyar don ƙara nasarar Le Mans ga nasarorin da ya samu. Ya dawo a matsayin na biyu. Ya ce a wata hira da aka yi a shekara ta 2006 cewa yana jin cewa tawagar Courage Competition "ta yi rashin nasara [a shekarar 1995] sau biyar" saboda rashin tsari. Ya yi kokarin da ba a yi nasara ba a cikin shekaru masu zuwa tare da wuri na goma sha uku a, sannan kuma DNF (Ba a gama ba) don. Andretti ta karshe bayyanar a Le Mans ya kasance a tseren 2000
, shekaru shida bayan da ya yi ritaya daga tseren tsere na cikakken lokaci, lokacin da ya tuka Panoz LMP-1 Roadster-S yana da shekaru 60, ya gama na 15.