Audi A6 Sportback e-tron Concept at the Frankfurt 2013

Rumors indicate that Audi will present at the Frankfurt in September 2013, A6 Sportback e-tron Concept, an electric plug-in A6 Sportback which will give 300 horses.
Will wear the new 2.0-liter turbo engine of the new S3, 300 hp performance, which will be combined with an electric motor performance 100 hp.
It has a length of between 4.8 and 5 meters, will be taller than the A6 Avant and has electric range of 75 to 100 km The 0-100 km / h will do in about 5 seconds and will have an average fuel consumption of just 2 , 5 litres/100 km