Audi, Porsche and Mercedes preparing a rival for Tesla with 400 km of autonomy, namely, Audi plans to release a rival to the Model X in 2018, then take out an electric Porsche sedan and possibly 2021 Mercedes kick your electric sedan the size of a E-class or S-class. Article in german: Daimler und Porschen setzen eigene Elektroautos gegen Tesla - manager magazin Google translate to english: The German premium car maker Tesla want U.S. top dog attack with new, own electric cars. Mercedes and Porsche to models with more than 400 km battery range. Audi will present its Tesla-fighter until 2018. Mercedes and Porsche working on new electric cars. Both brands were planning sedans whose batteries guaranteed for more than 400 kilometers. The reported manager magazine in its new issue, which is available on Friday (October 24) on the market. They were responding to the success of the Californian newcomer Tesla with his Model S. The electric Porsche should be a way smaller version of the four-door Panamera, according to Stuttgart. The car will, however, not be on the market before 2018. Mercedes plane comparable with E or S Class electric car, says group circles. The Board has not yet decided about the project, CEO Dieter Zetsche is exaggerating but ahead vigorously. However, the E-Mercedes can not be placed on one of the current model architectures. For this purpose, the required battery is too big, tell stakeholders. Therefore, the Tesla Fighter will probably not even come on the market before 2021. Daimler's previous electric cars, a smart and an offshoot of the compact B-class, come only on a good 150 km range. Audi already for a long time has plans for a Tesla-hunters. CEO Rupert Stadler favored instead of an electric sedan, a SUV-coupe with more than 400 kilometer range. Stadler wants the car does not move against Tesla's Model S, but against the announced 2015 SUV-like model X of the California manufacturer. He wants to sell the car later than 2018, but preferably at the end 2017th.