The face of the World Rally Car is set to change following the release of technical and homologation vision for the period 2017-19.

The principles of the regulations for the 2017-2019 WRC car were approved by the World Motor Sport Council following its meeting in Mexico City this week, with a clear intention to produce a car with a far more dynamic and distinct appearance 'that exhibits character and diversity'. The final direction to be taken by designers will be confirmed after pending discussions between the various manufacturers and the FIA's technical heads.

Among the key points of the proposal are an increase in engine power to 380hp, with a new 36mm maximum diameter for the turbo restrictor and a maximum 2.5b absolute turbo pressure limit. The performance potential will also be enhanced by a 25kg reduction in overall weight.

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There will also be a return to an electronically-controlled centre differential, but the biggest visual differences will come via relaxation of the bodywork regulations, with a 'free zone' defined around the body shell of the production car to create a maximum WRC car width of 1875mm and greater overhang front and rear. Greater freedom will also be permitted on the lateral parts of the front bumper, with potential for additional aero devices ahead of the front wheels. Openings may also be cut-out on the fender surface, while the rear wing will also become 'bigger and more visible'.