June ushered in the official start to summer, but temperatures weren't the only thing rising: European automakers continued a fiery pace in racking up the sales.
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Much as BMW has its M division and Mercedes-Benz can turn to AMG when they want to make fast cars, Audi relies on its own in-house tuner, Quattro GmbH.
Audi boss Rupert Stadler confirmed the Audi A3 will be offered with a plug-in hybrid version in 2014, furthering the company's plans to offer electric vehicles in every segment.
German automaker Audi uses a touchpad control as well as the standard knob for its vehicles' infotainment systems, a unique selling point.