Audi USA's president Johan de Nyssche confirmed recently that Audi e-tron concept car would be put into operation.This all-electric concept car e-tron was showed on the Frankfurt Auto Show last month.Hilary Swank’s

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It is said that this e-tron concept car will go into mass production with the long rumored brand R4. Fashion thomas sabo Presents for SweetieIn addition to the pure electric driving system, the R4 will also come with a series of gasoline engines.Orientated in the Audi TT sports car series, the new R4 sports car will be based on a new designed platform which is the same as Porsche's next-generation Cayman and Boxster.The R4 will provide two options, Coupe and Convertible model as usual.The full electric vehicle model of R4 will be the top modle in this series, which will be equipped with four electric motors.And it can deliver 300 horsepower and more than 3000 pounds feet of torque.0-60 mile per hour acceleration can be gained in less than five seconds.Its top speed is close to 140 miles per hour. The electric version of R4 is expected to reach an endurance mileage of 150 miles.

The petrol model will be positioned under the all-electric version.It is still known what engines will the R4 come with, but the top engine option might be the 5-cylinder 335 hp turbo engine as equipped on TT-RS.

The electric version of R4 will be introduced to market before the other versions around 2012, while the petrol version will be released after it.I believe that if you like cars especially new kinds of cars, you must hold yourself back all the time.Patient, and we will look forward to the day of R4's appearance on the market together.