 Honda made an official announcement on 16 May 2013 that it planned to re-enter into Formula One in 2015 as an engine supplier to McLaren.On 15 September 2017, after a winless campaign spanning three seasons and achieving a best finish of fifth place, McLaren and Honda announced their split, with the latter going on to sign a multi-year deal to supply Toro Rosso, the junior team of Red Bull Racing.After a fairly successful season with Toro Rosso, Honda made a deal to also supply Red Bull Racing.