The Volkswagen Tiguan GTE Concept has been unveiled on the night before the 2015 Frankfurt motor show.

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Based on the just revealed second-generation Tiguan, the new GTE Concept features a plug-in hybrid drivetrain with a total system output of 160kW of power and overall fuel consumption rated at 1.9L/100km.

Under the bonnet there's a 115kW turbocharged 1.4-litre petrol engine driving the front wheels through a six-speed dual-clutch transmission with a built-in electric motor.

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The electric motor is powered by a 13kWh lithium-ion battery pack located underneath the rear seats. The batteries are recharged either from mains power, via regenerative braking or from solar panels located on the GTE Concept's roof.

Volkswagen claims that this solar array can provide up to an extra 1000 kilometres of emissions free driving per year. This figure varies depending on the climate that the car is driven in, with the company estimating that the panels add just 500km of EV range in Germany, but between 800 and 1000 kilometres in southern Europe.

The Tiguan GTE Concept's drivetrain operates in one of four modes: pure EV, hybrid, battery charge and GTE. In pure EV mode, the Tiguan GTE is capable of a top speed of 130km/h and up to 50 kilometres of tailpipe emissions-free driving.

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Plonk the foot down too hard or exhaust the battery, and the Tiguan PHEV goes into regular hybrid mode, with both motors working together or independently as required. In GTE mode, throttle and steering responses are sharpened, and the drivetrain is allowed to show its full performance potential.

In GTE mode, the plug-in Tiguan has a 0-100km/h time of 8.1 seconds and a top speed of 200km/h.