James Key believes Honda's power unit could be on a par with Renault's, saying it also wasn't as far off last season as was "suggested." read more »

Toro Rosso believe Honda's engine is closer in performance to former supplier Renault's than has been believed and the Japanese firm could wipe out the gap as early... read more »

Pierre Gasly finished sixth fastest for Red Bull Toro Rosso Honda on Tuesday, and has initially positive feelings about how the STR13 feels. read more »

Red Bull have until the end of May to decide whether they want to continue with Renault engines in 2019, or switch to Honda power. read more »

Red Bull has until May to decide on its engine supply for 2019 otherwise it will be forced to use Honda. read more »

In expressing his optimism about McLaren's 2018 season, Fernando Alonso couldn't resist taking one last swipe at the team's former engine partner Honda. read more »

Renault's Cyril Abiteboul wants to get a decision from Red Bull about any future deal by May 15 amid links to Honda. read more »

Renault Formula 1 boss Cyril Abiteboul says he will give Red Bull a May deadline for a decision over its 2019 engine supply, respecting the FIA regulation on the subject read more »

Brendon Hartley believes McLaren have made a "mistake" leaving Honda, claiming he has more power in his Toro Rosso this year compared to last season. read more »

On the back of a difficult three-year partnership with Honda, McLaren Racing's new MCL33 is powered by Renault engines. The late decision however caused the design team... read more »

Brendon Hartley got to complete 93 laps out on track in Catalunya and said he had "no issues...but...stopped early because of the weather, it was almost icy conditions out... read more »

Brendon Hartley says Toro Rosso's new Honda-powered Formula 1 car enjoyed a "perfect day" of reliability on its full testing debut at Barcelona read more »

Toro Rosso and Honda enjoyed a positive start to their relationship with Hartley ending the day with 93 laps and in eighth place. read more »

Brendon Hartley has revealed Honda wants ‘no reliability issues’ over the first part of the 2018 F1 season and has given a glowing report. read more »

It was a day of varying fortunes for the two teams everyone had eyes on coming into the start of F1 pre-season testing in Barcelona, writes Luke Smith. read more »

The Red Bull Toro Rosso Honda STR13 was unveiled on Monday morning ahead of pre-season testing. read more »

Toro Rosso's Brendon Hartley hails 'perfect' Honda reliability on opening F1 test day read more »

Daniel Ricciardo topped the timesheets and the lap count on the first day of pre-season testing at the Circuit de Catalunya, as the Toro Rosso-Honda relationship got off to a... read more »

Fernando Alonso used every part of the Circuit de Catalunya track available to him when seeing a Toro Rosso-Honda up ahead on the first day of testing. read more »

Toro Rosso F1 chief Franz Tost reveals the team took lessons to aid communication with new engine partner Honda ahead of the 2018 season. read more »

Toro Rosso's new STR13 has officially broken cover at Barcelona, with Brendon Hartley at the wheel this morning. read more »

Honda will focus on reliability over performance with its first race specification engine for the 2018 Formula 1 season, Autosport has learned read more »

Toro Rosso boss Franz Tost is "convinced" they have made a good decision in switching to Honda engines and is encouraged by their potential. read more »

Toro Rosso is encouraged by the level of improvement shown by new engine partner Honda over the winter. read more »

Toro Rosso staff had lessons on how to communicate effectively with Japanese companies ahead of their new partnership with Formula 1 engine supplier Honda read more »