Kammala jumla mai zuwa: Abokin aikin Pryce na Shadow, Jean-Pierre Jarier, ya fitar da shi a farkon lokacin kakar 1975, kamar yadda direba na Faransa yana da sabon motar Shadow DN5, yayin da Pryce ke cikin tsohuwar DN3. Ba har sai da zagaye na uku, da, cewa Pryce ya iya amfani da DN5. Tseren na huɗu na ƙungiyar a wannan kakar shine tseren tseren zakarun da ba na gasar ba wanda aka gudanar a Brands Hatch. Pryce ya cancanci matsayi na farko kuma, bayan farawa mara kyau, ya wuce Peterson da Jacky Ickx kafin ya rufe rata na dakika takwas ga jagoran tseren Jody Scheckter, wanda injinsa ya lalace yayin da Pryce ya tsananta masa, ya bar Pryce ya zama Welshman na farko da ya lashe tseren Formula One. Pryce ya nuna wasu alamun alkawari a lokacin kakar, musamman a cikin
Monaco da Silverstone inda ya cancanta a layin farko na grid, na biyun yana cikin matsayi na farko. Pryce kuma ya sami nasarar kammala gasar cin kofin duniya a karo na farko, a cikin matsanancin yanayi a gasar kuma ya gama a maki sau hudu. Mafi girma daga cikinsu ya zo a Jamus inda ya gama na huɗu, duk da cewa yayin da yake gudu na biyu a bayan Carlos Reutemann mai ya shiga cikin matukin jirgi na DN5 a lokacin da ya kewaye Nürburgring, wanda aka ruwaito "ya ƙone fatarsa kuma kusan ya makantar da shi da hayaƙi". Daga baya Welshman ya sami lambar yabo ta "Prix Rouge et Blanc Jo Siffert", mai suna bayan direban Formula One na Switzerland, saboda wannan nasarar.