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Volkswagen twin-up! plug-in hybrid concept makes Tokyo debut

Press release   •   Nov 20, 2013 08:45 GMT

Volkswagen has unveiled a hybrid version of its up! city car at the Tokyo Motor Show.  The twin up! concept car uses a 0.8-litre two-cylinder turbodiesel engine in series with a 27 kW electric motor and a seven-speed DSG gearbox – a version of the drivetrain found in the pioneering XL1 – and offers combined fuel consumption of 256.8 mpg.

All new Volkswagen vehicles are deigned to accept alternative power trains as well as conventional ones, so only minor modifications (such as lengthening the front overhang by 30 mm) were necessary to fit the plug-in hybrid drivetrain into the four-seat twin up!.

The twin up!’s diesel engine and electric motor each produce up to 35 kW, while the maximum system power output of the twin up!’s front-mounted drivetrain is 55 kW.  The 8.6 kWh lithium-ion battery pack, 12 V battery and 33-litre fuel tank are all located between the rear seats and the boot.

Good aerodynamics (0.30 Cd), a low unladen weight (1,205 kg) despite the addition of the lithium-ion batteries and 165/65 R15 tyres optimised for low rolling resistance all help to maximise the twin up!’s efficiency, and to achieve the 256.8 mpg combined fuel consumption figure and 27 g/km CO2 emissions. 

A decoupling clutch between the diesel and electric motors allows the electric motor to operate independently.  Provided that there is sufficient battery charge, the driver can press the e-mode button for emissions-free driving.

On electric power alone the twin up! can operate at speeds of 77 mph, and accelerate from zero to 37 mph in 8.8 seconds.  The range on batteries alone is up to 31 miles.  Using diesel and electric motors together, the car can accelerate from zero to 62 mph in 15.7 seconds, and on to a top speed of 87 mph.  Combined torque peaks at 215 Nm.

When braking, the electric motor acts as a generator, and the braking energy is used to charge the battery.  Under appropriate conditions the TDI engine can be used to charge the main traction battery.

Externally, the twin up! follows design cues familiar from the all-electric e-up! model, and also includes flowing blue double stripes above the sills.  The main paint colour is ‘Sparkling White’, which includes blue flakes that create a spectacular changing pattern.  The interior is dominated by an off-white ‘Ceramic’ colour, with a fabric and leather combination upholstery featuring blue piping and reflective strips on the seats’ centre panels.

The instrument panel is bespoke, and all instrumentation is digital.  The visual image and content of the instruments change according to the vehicle’s driving mode (hybrid or all-electric).  In hybrid mode the accents are white, while in pure electric mode they are blue.

The central infotainment screen is configurable by the user, while for the first time in a Volkswagen the automatic climate controls below are exclusively digital.  This innovative concept uses Active Matrix Organic LED (AMOLED) displays.

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Volkswagen Group UK is a wholly-owned subsidiary of Europe’s largest carmaker and one of the world’s leading automobile manufacturers.  From its UK headquarters in Milton Keynes, Buckinghamshire, it controls the sourcing, marketing and distribution of all vehicles and parts in the UK for Volkswagen Group vehicles, including Volkswagen Passenger Cars and Commercial Vehicles, Audi, SEAT and ŠKODA cars. 

Volkswagen UK is one of the country’s largest importers, accounting for almost one in ten of every car sold. The company sells a wide range of vehicles which range from compact city cars through the best-selling and renowned Golf, Polo and Beetle models, to luxury saloons and 4x4s. 

Comments (1)

    That car is cute!

    - Decor - Aug 30, 2018 05:32 BST

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