 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, uye akapedza mujaho ari pachinzvimbo chechipfumbamwe. 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 Prixakaenda kunopedza ari wechinomwe uyo wakanga uri mugumo wake wokupedzisira wegore racho. Akapedza ari wechi15 mumwaka wake wokutanga neToro Rosso. 