 Nyorai kuenderera mberi kweiyi ndima - Sainz akatyaira Scuderia Toro Rosso mumwaka waakabatana naMax Verstappen, zvichitevera kukwidziridzwa kwaDaniil Kvyat kuRed Bull. Sainz akasarudza 55 senhamba yake yomutambo. Akakwanisa kupinda mumakwikwi gumi ekutanga, pa2015 Australian Grand Prix, ndokupedza nhangemutange iri panzvimbo yechipfumbamwe. Muchikamu chechitatu chekurovedza zvakasununguka che2015 Russian Grand Prix, Sainz akarasikirwa nekutonga motokari yake achienda kutendeuka 13 yeSochi Autodrom, akarova rusvingo uye akaenderera mberi nekuputika mumatambudziko eTecpro. Pashure pokunge arara muchipatara, akabvumirwa kumhanya zuva raitevera racho asi haana kupedza. MuUnited States Grand Prix akaenda kunopedza ari wechinomwe izvo zvaive zvekupedzisira mapoinzi egore. Akapedza ari wechi15 mumwaka wake wokutanga neToro Rosso. 