 Nyora kupfuurira kweiyi ndima - 2018 GoPro Grand Prix yeSonoma yaive yechi17 uye yekupedzisira kutenderera kwe2018 IndyCar Series mwaka. Mujaho wacho wakaitwa musi waSeptember 16 paSonoma Raceway muSonoma, California. Indy 500 ya2014mukundi Ryan Hunter-Reay akakwanirisa panzvimbo yokutanga, ndokutora rukundo munhangemutange yamavhiri 85. 