Rubuta ci gaba ga wannan sakin layi - A gasar Grand Prix ta Italiya, Honda ta yi amfani da na'urar motsa jiki ta Spec 4 tare da motoci huɗu a karon farko wanda ya kawo canje-canje masu mahimmanci ga tsarin konewa, tare da sabon haɗin mai daga abokin tarayya ExxonMobil. Injin ya tabbatar da cewa ya zama babban ci gaba a cikin wasan kwaikwayon tare da Tanabe wanda ya sanya shi babban ci gaba fiye da injin Spec 3 RA618H daga 2018 a Toro Rosso, wanda a wancan lokacin ya kawo mafi girman haɓakar aikin su tun lokacin da suka dawo F1 a shekarar 2015. Wannan ƙayyadaddun ana ɗaukarsa a matsayin abin da ya kawo Honda har zuwa ko watakila bayan matakin Mercedes tare da fa'idar masana'antun biyu akan juna suna musayar kewayon zuwa kewayon. Wani abin lura shi ne Pierre Gasly da Hamilton sun yi tsalle kai tsaye zuwa layin kammalawa a gasar Grand Prix ta Brazil, wanda ya nuna Toro Rosso a hankali ya ja gaba don kammala na biyu, inda ya zira kwallaye na farko na Honda na 1 × 2 tun 1991 Japan Grand Prix
bayan da Verstappen ya yi nasara daga matsayi na farko.