↑ Scuderia Toro Rosso uses Renault R.E.17 power units. For sponsorship purposes, these engines are rebadged as "Toro Rosso".[22]
↑ Brendon Hartley was entered in the United States Grand Prix as a replacement driver for Pierre Gasly and so carried the number 39 as it had been assigned to the team as a reserve number. With his entry in the next round in Mexico, Hartley became a regular driver and was entitled to choose his own number.
↑ In the event that two or more drivers achieved the same best result an equal number of times, their next-best result would be used, and so on. If two or more drivers achieved equal results an equal number of times, the FIA would have nominated the winner according to such criteria as it thought fit.[67]
