Citroen completed its latest test with its 2017 World Rally Car last week in Finland.

Kris Meeke and Craig Breen were charged with driving the car and after previous tests in southern France and Portugal, this time aerodynamics were the main focus, along with continuing to assess the car's reliability and performance.

"The freedom allowed by the FIA regulations [from 2017 in terms of aero] offers us a much larger range of possible solutions than before," explained Alexis Avril, Citroen's project manager for the 2017 World Rally Car.

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"The bodywork of the WRC must entirely cover that of the original model and the maximum width is set at 1875mm.

"In this framework, we have a lot of freedom to design the wheel arches and bumpers. We can also create air intakes for re-cooling the rear brakes and add on a diffuser. Paradoxically, there are more restrictions for the design of the rear wing than today, but its efficiency will be increased tenfold by its further backed and raised positioning."

Video footage of the test, as well as pictures, can be seen below: