Valtteri Bottas testing in Barcelona

Has Mercedes got the title wrapped up already?

The Honda logo on the 2018 Toro Rosso car

Honda has proved surprisingly reliable partnered with Toro Rosso during preseason testing.

Honda's Masashi Yamamoto

Toro Rosso-Honda has proved surprisingly reliable compared to McLaren-Renault.

Maurizio Arrivabene (Ferrari) and Toto Wolff (Mercedes) in the Friday press conference at the 2017 Abu Dhabi Grand Prix.

The 2017 rules changes worked to shake up the field — sort of.

Red Bull Racing principal Christian Horner, McLaren executive director Zak Brown, and Renault Sport managing director Cyril Abiteboul at the 2017 Singapore Grand Prix.

Red Bull Racing’s history with Renault suggests it probably isn’t.

McLaren has binned its Honda partnership.

Timing was everything in Formula One’s least surprising evening of announcements.

McLaren executive director Zak Brown.

McLaren’s switch to Renault is riskier than it may first appear.

The McLaren MCL32 on the track.

McLaren is risking big for success by making a switch from Honda to Renault for 2018.

Fernando Alonso in his garage at the Hungarian Grand Prix.

Fernando Alonso’s future might rest with Red Bull more than it does McLaren or Honda.

Sebastian Vettel celebrates victory on his way to the 2017 Hungarian Grand Prix podium.

The 2017 season so far has delivered more than we could have expected this time last year.