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In early 2010, French marque Citroen sought to rejuvenate the brand with the launch of a sleek, stylish and modern new vehicle range - the DS line.

Two years later and the range is enjoying spectacular success, with some 200,000 DS models - incorporating the DS3, DS4 and DS5 - already sold worldwide, including 25,000 in the UK alone.

But now, sales of the car could be set to skyrocket, with Citroen bringing the DS line to the huge Chinese car market later this year.

And to mark the event, the manufacturer has unveiled a brand new concept vehicle, which will go on show at the Beijing Motor Show later this month.

Called the Numero 9, the car is of a 'shooting brake' design - essentially a sporty estate - with striking looks and a huge 4.9m by 1.94m frame.

But while the vehicle itself is not earmarked for production, a number of Citroen car parts on the model could well find their way onto future additions of the DS line.

The car features a plug-in hybrid drivetrain which sees an electric motor drive the rear axle and a petrol or diesel engine under the bonnet powering the front wheels.

The electric motor will generate 70bhp and 150lb ft of torque, while the engine will bring 221bhp  and 203lb ft of torque, together creating a drivetrain capable of delivering 0-62mph in 5.4 seconds.

But despite its high performance, the Numero 9 has an impressive combined fuel economy of 166mpg, while CO2 emissions are just 39g/km.

Other new features include a 3D-effect front grille, new full LED headlights and a distinctive strip of LED daytime running lights.

Citroen has already said that the design of the new Numero 9 will be used to provide stylistic cues to three new DS-line models currently in development - a C-segment premium sedan, an SUV and a D-segment executive saloon.