Alain Prost has admitted Renault may struggle to beat its engine customers in 2018.

Next year, the French carmaker will continue to run its own works team while supplying identical power units to both Red Bull and McLaren.

F1 legend Prost, a Renault advisor, says it will not be easy for Renault to beat them.

But he told Auto Motor und Sport: “For me, the pressure is positive, even if it is difficult.

“The factory team will race against two well-established teams, where the entire organisation that Renault is still setting up already exists.

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