Rubuta ci gaba ga wannan sakin layi - A farkon kakar, an sanar da cewa Montoya zai koma McLaren a 2005. Kungiyar ta fara kakar wasan ne da wani tsari mai tsananin hanci, wanda aka fi sani da "Walrus-Nose", wanda ya tabbatar da rashin gasa kuma an maye gurbinsa da wani taro na al'ada a Hungary. Ferrari ta mamaye a karo na uku a jere, ta lashe 15 daga cikin tsere 18. Williams ta sami nasara a tseren karshe a Brazil, tare da Juan Pablo Montoya ya gama da dakika daya a gaban McLaren na Kimi Räikkönen; wannan ya kasance nasarar Williams ta karshe ta F1 har zuwa Gasar Grand Prix ta Spain ta 2012. Wani mummunan lokaci na kakar wasa shi ne lokacin da aka cire Williams da Toyota daga Grand Prix na Kanada
bayan da aka gano cewa motocin biyu suna da rashin daidaito na birki, tashoshin birki da alama ba sa bin ka'idoji. Williams ya gama kakar a matsayi na hudu, inda ya zira kwallaye 88 kuma ya gama a kan podium sau shida, yayin da Montoya ya kasance mafi kyawun direban Williams a wannan shekarar, inda ya zira kwallaye 58 ya gama a matsayi na biyar.