The chassis beneath the car comes from an Audi RS 5, with its wheelbase shortened and roof lowered.

底盘沿用奥迪rs5，缩短了轴距，削低了车高。

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More numbers to support this impression: Audi reports that the TT RS accelerates from 0-60 in 4.1 seconds.

FORBES: 2012 Audi TT RS Test Drive And Review - The Power To Surprise

Volkswagen AG's Audi brand says none of its high-performance RS or S models, except the R8 sports car, is now subject to a guzzler penalty.

WSJ: Car Makers Pitch Power as the Ultimate Luxury

As impressive as those are, Audi might just have outdone them with a new video that pits two 2013 RS 4 Avant wagons against each other in an epic paintball fight.

FORBES: Paintball-Wielding Audi Wagons Duke It Out In Viral Video