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Sub-compact Audi A1 Quattro hybrid (26/10/07)

Audi pays homage to Japan’s flair for miniaturisation this week with its new sub-compact metroproject quattro design study. Condensing the premium quality, innovation and design progressiveness for which the Audi range is renowned into less than 4 metres of road space, the metroproject quattro could provide clues to the look and packaging of a future Audi sub-compact production car.  

Power for the Vorsprung durch Technik study is provided by a modified version of the 1.4-litre Turbo FSI petrol engine recently adopted by the A3, combined with a lithium-ion battery-powered electric motor mounted behind the rear seats which reduces fuel consumption and emissions by around 15 per cent. The petrol engine’s increased 150PS output, up from 125PS in the A3, is delivered at 5,500rpm, and its 40Nm higher torque output of 240Nm peaks from just 1,600rpm. The electric motor adds 41PS (30kW) and an extra 200Nm of torque, and when engine and motor work in unison the metroproject quattro is able to accelerate from rest to 62mph in 7.8 seconds.

Delivered via the widely acclaimed S tronic dual-clutch transmission, the impressive performance can, in the right conditions, culminate in a top speed of 124mph. With slightly more judicious accelerator control, a combined economy figure of 57.6mpg is possible, coupled with modest C02 output of 112g/km.

The metroproject quattro is able to derive its power solely from its petrol engine, purely from its electric motor or through a combination of the two, their interplay controlled by the highly intelligent on-board management system.

If the driver opts for electric operation alone - a particular advantage for urban driving and shorter distances – the metroproject quattro is able to cover up to 62 miles at speeds of up to 62mph, silently and completely cleanly, before its lithium-ion batteries need to be ‘refuelled’ by a power socket. Energy released during braking is transformed back into electrical energy rather than being released as heat and wasted, helping to conserve resources even more effectively.

While only the petrol engine is running, the metroproject quattro sends drive through its front wheels, and while powered by the electric motor on the back axle alone it is effectively rear-wheel-driven. When the two operate simultaneously, the compact Audi is able to offer all the advantages in composure and control that four-wheel-drive brings.

The highlight of the typically meticulously finished cabin is the new, removable hand-held Audi mobile device, which not only offers mobile telephony, GPS navigation and audio and video playback, but also serves as the control unit for numerous vehicle systems which can be set and adjusted from outside the car. The driver can, for example, enter destinations into the satellite navigation unit, program the audio system or switch on the heating from the comfort of an armchair at home before setting off.



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