Daniel Ricciardo 'prepared to walk away from Red Bull'


Renault's contract with Red Bull ends after 2018, and as that relationship has been nowhere near harmonious with numerous complaints about reliability from Red Bull, they've opted not to extend it.

There was no immediate comment from any of the parties involved.

Renault, which now has its own factory team, and Red Bull won four successive drivers' and constructors' titles between 2010-13.

Sportsmail has learned that the French manufacturers have concluded that their fractious relationship with the Red Bull team has run its course, and will no longer supply them with engines from 2019.

Losing Ricciardo would be a major blow to the team as he has the potential to be a world champion, so Red Bull are eager to retain him.

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This might have contributed to the recent deal that will be officially launched this weekend at the Grand Prix of Singapore, where McLaren will be supplied Renault engines in a bid to try to keep Fernando Alonso for a few more seasons, which looks like it's set to happen.

Earlier this week, it was reported that McLaren and Honda will be parting ways at the end of the current season of Formula 1.

Both are race winners and likely to be of interest to Ferrari and Mercedes.

This seems to support the "not Porsche" part of Horner's statement, too-at least not until F1 develops its new engine regulations for 2021. However, finally during the Monaco Grand Prix weekend in 2016, both parties made a decision to continue their deal on a two-year contract, but this time, without the Renault name on the engine, being substituted by the Swiss Tag Heuer brand label, a watch company from Switzerland.